Income Taxes (Tables)
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12 Months Ended |
Dec. 31, 2016 |
|---|
| Income Taxes |
Ìý
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| Schedule of Components of Income Tax Expense (Benefit) |
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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Ìý
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YearsÌýendedÌýDecemberÌý31,
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Ìý
|
|
Ìý
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ÌýÌýÌýÌý
|
2016
|
ÌýÌýÌýÌý
|
2015
|
ÌýÌýÌýÌý
|
2014
|
Ìý
|
|
Ìý
|
Ìý
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amountsÌýinÌýmillions
|
Ìý
|
|
Current:
|
Ìý
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Ìý
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Ìý
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Ìý
|
Ìý
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Ìý
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Ìý
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Ìý
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Federal
|
Ìý
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$
|
(39)
|
Ìý
|
(17)
|
Ìý
|
18
|
Ìý
|
|
State and local
|
Ìý
|
Ìý
|
(29)
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Ìý
|
(17)
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Ìý
|
7
|
Ìý
|
|
Foreign
|
Ìý
|
Ìý
|
Ìý—
|
Ìý
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(1)
|
Ìý
|
Ìý—
|
Ìý
|
|
Ìý
|
Ìý
|
Ìý
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(68)
|
Ìý
|
(35)
|
Ìý
|
25
|
Ìý
|
|
Deferred:
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Federal
|
Ìý
|
Ìý
|
(388)
|
Ìý
|
(145)
|
Ìý
|
(103)
|
Ìý
|
|
State and local
|
Ìý
|
Ìý
|
(39)
|
Ìý
|
(30)
|
Ìý
|
12
|
Ìý
|
|
Foreign
|
Ìý
|
Ìý
|
—
|
Ìý
|
—
|
Ìý
|
—
|
Ìý
|
|
Ìý
|
Ìý
|
Ìý
|
(427)
|
Ìý
|
(175)
|
Ìý
|
(91)
|
Ìý
|
|
Income tax benefit (expense)
|
Ìý
|
$
|
(495)
|
Ìý
|
(210)
|
Ìý
|
(66)
|
Ìý
|
Ìý
|
| Schedule of Effective Income Tax Rate Reconciliation |
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Ìý
|
Ìý
|
YearsÌýendedÌýDecemberÌý31,
|
Ìý
|
|
Ìý
|
ÌýÌýÌýÌý
|
2016
|
ÌýÌýÌýÌý
|
2015
|
ÌýÌýÌýÌý
|
2014
|
Ìý
|
|
Ìý
|
Ìý
|
amountsÌýinÌýmillions
|
Ìý
|
|
Computed expected tax benefit (expense)
|
Ìý
|
$
|
(497)
|
Ìý
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(160)
|
Ìý
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(161)
|
Ìý
|
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Liquidation of consolidated subsidiaries
|
Ìý
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
107
|
Ìý
|
|
Dividends received deductions
|
Ìý
|
Ìý
|
11
|
Ìý
|
2
|
Ìý
|
99
|
Ìý
|
|
Taxable dividends not recognized for book purposes
|
Ìý
|
Ìý
|
(11)
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
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Sale of subsidiary shares to subsidiary treated as a dividend for tax
|
Ìý
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
(123)
|
Ìý
|
|
State and local income taxes, net of federal income taxes
|
Ìý
|
Ìý
|
(46)
|
Ìý
|
(1)
|
Ìý
|
(4)
|
Ìý
|
|
Federal tax credits
|
Ìý
|
Ìý
|
67
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
|
Change in valuation allowance affecting tax expense
|
Ìý
|
Ìý
|
(1)
|
Ìý
|
(44)
|
Ìý
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(2)
|
Ìý
|
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Recognition of tax benefits not previously recognized, net
|
Ìý
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
11
|
Ìý
|
|
Other, net
|
Ìý
|
Ìý
|
(18)
|
Ìý
|
(7)
|
Ìý
|
7
|
Ìý
|
|
Income tax benefit (expense)
|
Ìý
|
$
|
(495)
|
Ìý
|
(210)
|
Ìý
|
(66)
|
Ìý
|
Ìý
|
| Schedule of Deferred Tax Assets and Liabilities |
Ìý
The tax effects of temporary differences that give rise to significant portions of the deferred income tax assets and deferred income tax liabilities are presented below:
Ìý
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Ìý
|
Ìý
|
DecemberÌý31,
|
Ìý
|
|
Ìý
|
ÌýÌýÌýÌý
|
2016
|
ÌýÌýÌýÌý
|
2015
|
Ìý
|
|
Ìý
|
Ìý
|
amountsÌýinÌýmillions
|
Ìý
|
|
Deferred tax assets:
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Net operating and capital loss carryforwards and tax credits
|
Ìý
|
$
|
1,381
|
Ìý
|
1,795
|
Ìý
|
|
Accrued stock compensation
|
Ìý
|
Ìý
|
136
|
Ìý
|
140
|
Ìý
|
|
Other accrued liabilities
|
Ìý
|
Ìý
|
102
|
Ìý
|
76
|
Ìý
|
|
Deferred revenue
|
Ìý
|
Ìý
|
761
|
Ìý
|
729
|
Ìý
|
|
Other future deductible amounts
|
Ìý
|
Ìý
|
20
|
Ìý
|
7
|
Ìý
|
|
Deferred tax assets
|
Ìý
|
Ìý
|
2,400
|
Ìý
|
2,747
|
Ìý
|
|
Valuation allowance
|
Ìý
|
Ìý
|
(50)
|
Ìý
|
(49)
|
Ìý
|
|
Net deferred tax assets
|
Ìý
|
Ìý
|
2,350
|
Ìý
|
2,698
|
Ìý
|
|
Deferred tax liabilities:
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Investments
|
Ìý
|
Ìý
|
81
|
Ìý
|
67
|
Ìý
|
|
Fixed assets
|
Ìý
|
Ìý
|
330
|
Ìý
|
313
|
Ìý
|
|
Intangible assets
|
Ìý
|
Ìý
|
3,961
|
Ìý
|
3,955
|
Ìý
|
|
Discount on debt
|
Ìý
|
Ìý
|
3
|
Ìý
|
30
|
Ìý
|
|
Deferred tax liabilities
|
Ìý
|
Ìý
|
4,375
|
Ìý
|
4,365
|
Ìý
|
|
Net deferred tax liabilities
|
Ìý
|
$
|
2,025
|
Ìý
|
1,667
|
Ìý
|
Ìý
|
| Summary of Income Tax Contingencies |
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
|
Ìý
|
Ìý
|
DecemberÌý31,
|
Ìý
|
|
Ìý
|
ÌýÌýÌýÌý
|
2016
|
ÌýÌýÌýÌý
|
2015
|
Ìý
|
2014
|
Ìý
|
|
Ìý
|
Ìý
|
amountsÌýinÌýmillions
|
Ìý
|
|
Balance at beginning of year
|
Ìý
|
$
|
254
|
Ìý
|
2
|
Ìý
|
30
|
Ìý
|
|
Reductions for tax positions of prior years
|
Ìý
|
Ìý
|
(1)
|
ÌýÌýÌýÌý
|
Ìý—
|
ÌýÌýÌýÌý
|
(11)
|
Ìý
|
|
Lapse in the statute of limitations
|
Ìý
|
Ìý
|
Ìý—
|
Ìý
|
Ìý—
|
Ìý
|
(17)
|
Ìý
|
|