| Label | Element | Value |
|---|---|---|
| Accounting Standards Update 2016-02 [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 165,000,000 |
| Accounting Standards Update 2016-02 [Member] | Retained Earnings [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 165,000,000 |
| Accounting Standards Update 2016-13 [Member] | Retained Earnings [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ (2,406,000,000) |
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- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
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