XML 116 R95.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Tax Expense Income Tax Expense (Deferred Tax Assets) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Environmental, asset retirement obligations, and other reserves $ 20 $ 28
Inventories (1) (12)
Net operating loss carry forwards 79 92
Other 78 61
Total deferred tax assets 176 193
Fixed assets 324 506
Trademarks and other intangibles 169 272
Investments in affiliates 72 58
Total deferred tax liabilities 565 836
Net deferred income tax liabilities $ 389 $ 643