| Label | Element | Value |
|---|---|---|
| Accounting Standards Update 2016-16 [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 8,000,000 |
| Accounting Standards Update 2016-16 [Member] | Retained Earnings [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 8,000,000 |
| Accounting Standards Update 2016-09 [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | (27,000,000) |
| Accounting Standards Update 2016-09 [Member] | Retained Earnings [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ (27,000,000) |