Revenue Recognition - Disaggregation of Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021
Revenue by Geography
Revenues	$ 15,535	$ 14,218	[1]	$ 29,732	$ 27,405	[1]
Americas
Revenue by Geography
Revenues	8,142	7,122		15,198	13,599
EMEA
Revenue by Geography
Revenues	4,526	4,314		8,757	8,242
Asia Pacific
Revenue by Geography
Revenues	$ 2,868	$ 2,782		$ 5,778	$ 5,563

[1] Reclassified to reflect discontinued operations presentation.