Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

v3.19.1
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, net $ 1,700   $ 1,800
Amortization of intangibles 26 $ 135 26
Trade Names      
Finite-Lived Intangible Assets [Line Items]      
Intangible assets, net (excluding goodwill) 1,600   1,600
Indefinite-lived intangible assets $ 1,500   $ 1,600