Label	Element	Value
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	0
Cumulative effect of accounting changes, net of taxes	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	35,000,000
Cumulative effect of accounting changes, net of taxes	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	29,000,000
Retained Earnings [Member]
Cumulative effect of accounting changes, net of taxes	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	3,000,000,000
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
Cumulative effect of accounting changes, net of taxes	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 0