Annual report pursuant to Section 13 and 15(d)

Income Taxes - Effective Income Tax Rate, Tax Rate Reconciliation (Details)

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Income Taxes - Effective Income Tax Rate, Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 22, 2017
Dec. 21, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Effective income tax rate reconciliation          
Computed expected tax benefit (expense)     $ (108) $ (219) $ (289)
State and local income taxes, net of federal income taxes     (41) 18 (37)
Foreign income taxes, net of federal income taxes     26 22 88
Taxable dividends, net of dividends received deductions     (10) (27) (7)
Federal tax credits     26 30 22
Change in valuation allowance affecting tax expense     (40) (62) 212
Change in tax rate due to Tax Act       (8) 929
Change in tax rate     (48) 1 (4)
Settlements with tax authorities       43 253
Deductible stock-based compensation     71 38 40
Non-deductible executive compensation     (22) (7) (4)
Income tax reserves         (22)
Non-deductible / Non-Taxable interest         (60)
Write-off of tax attributes         (42)
Other, net     (20) (5) (16)
Income tax (expense) benefit     $ (166) $ (176) $ 1,063
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 35.00% 21.00% 21.00% 35.00%