| Label | Element | Value |
|---|---|---|
| Retained Earnings [Member] | ||
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 0 |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | (293,000,000) |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 0 |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 316,000,000 |
| Noncontrolling Interest [Member] | ||
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 0 |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | (7,000,000) |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 0 |
| Cumulative effect of accounting changes, net of taxes | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 29,000,000 |