Supplemental Financial Information - Financial income and expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Financial Information [Line Items]
Interest income	$ 187	$ 61	$ 4
Interest expense	(438)	(427)	(369)
Net gain (loss) on extinguishment of debt	0	(18)	(22)
Total other financial income (expense)	(58)	(50)	(16)
Total	$ (309)	$ (434)	$ (403)