Income Taxes - Income Tax Provision (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Current tax benefit (provision): | |||
| Federal | $ 94 | $ 187 | $ (4) |
| State and local | (39) | (26) | 5 |
| International | (13) | (13) | (54) |
| Deferred tax provision: | |||
| Federal | (1,343) | (1,226) | (2,093) |
| State and local | (130) | (138) | (149) |
| Income tax provision | $ (1,431) | $ (1,216) | $ (2,295) |