Revenue - Change in Contract Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Contract Assets
Balance beginning of the year	$ 290	$ 236
Additions	661	547
Transfers to accounts receivable	(614)	(493)
Effect of foreign exchange rate changes	(2)	0
Balance at the end of the year	335	290
Contract Liabilities
Balance beginning of the year	776	676
Cash received for performance obligations not yet fulfilled	726	642
Revenue recognized	(640)	(539)
Effect of foreign exchange rate changes	(25)	(3)
Balance at the end of the year	$ 837	$ 776