Business Segments - Capital Expenditures Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Capital expenditures	$ 981	$ 647	$ 770
Depreciation and amortization	883	859	795
Operating Segments
Segment Reporting Information [Line Items]
Capital expenditures	942	628	737
Depreciation and amortization	845	824	760
Operating Segments | Americas
Segment Reporting Information [Line Items]
Capital expenditures	537	302	369
Depreciation and amortization	486	490	430
Operating Segments | Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Capital expenditures	270	235	227
Depreciation and amortization	213	201	197
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Capital expenditures	135	91	141
Depreciation and amortization	146	133	133
Corporate
Segment Reporting Information [Line Items]
Capital expenditures	39	19	33
Depreciation and amortization	$ 38	$ 35	$ 35