XML 85 R68.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
INCOME TAXES INCOME TAXES NARRATIVE (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted   26 million  
Tax law changes $ (9) $ (7) $ (237)