XML 100 R55.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Indefinite-lived Intangible Assets [Line Items]        
Accumulated impairment losses recorded in continuing operations $ 0   $ 0  
Amortization expense, for the remainder of 2019 6   6  
Amortization expense, 2020 24   24  
Amortization expense, 2021 22   22  
Amortization expense, 2022 20   20  
Amortization expense, 2023 17   17  
Amortization expense, Thereafter 12   12  
Trade Names [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Goodwill and trade name impairment $ 0 $ 0 $ 0 $ 0