Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Amortizable intangible assets:
Cost	$ 3,254	$ 3,605
Accumulated Amortization	(2,563)	(2,681)
Net	691	924
Total intangible assets, Cost	3,414	3,765
Total intangible assets, Net	851	1,084
Trademarks and brands
Indefinite-lived intangible assets:
Indefinite-lived intangible assets	160	160
Customer lists and relationships
Amortizable intangible assets:
Cost	1,530	1,747
Accumulated Amortization	(1,195)	(1,282)
Net	335	465
Trademarks and brands
Amortizable intangible assets:
Cost	694	759
Accumulated Amortization	(434)	(435)
Net	260	324
Patents and proprietary technology
Amortizable intangible assets:
Cost	581	621
Accumulated Amortization	(501)	(506)
Net	80	115
Other
Amortizable intangible assets:
Cost	449	478
Accumulated Amortization	(433)	(458)
Net	$ 16	$ 20