ASU 2016-16, Income Taxes - Intra-Entity Transfers of Assets Other Than Inventory (Details) $ in Millions |
Dec. 31, 2017
USD ($)
|
|---|---|
| Cumulative effect of new accounting principle in period of adoption | $ 64 |
| Accounting Standards Update 2016-16 | |
| Cumulative effect of new accounting principle in period of adoption | $ 61 |