Other Financial Data - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other Financial Data [Abstract]
Deferred revenue	$ 321	$ 296
Taxes payable	149	80
Leases (2)	213	234
Other	648	561
Total	1,331	1,171
Deferred revenue recognized	$ 553	$ 454