Financial Instruments - Investment Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Equity securities, amortized cost	$ 557	$ 579
Equity securities, gross unrealized gain	191	455
Equity securities, gross unrealized loss	0	(1)
Equity securities, estimated fair value	748	1,033
Total, amortized cost	557	587
Total , gross unrealized gains	191	455
Total , gross unrealized losses	0	(1)
Total, estimated fair value	748	1,041
Net unrealized gain (loss)	(271)	(843)	$ 1,400
Non-U.S. debt securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, amortized cost	0	8
Debt securities, gross unrealized gains	0	0
Debt securities, gross unrealized losses	0	0
Debt securities, estimated fair value	$ 0	$ 8