Equity Method Investments (Basis differences and distributions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]
Equity method investment difference between carrying amount and underlying equity	$ 521
Equity method investment difference between carrying amount and underlying equity portion related to goodwill and other assets not amortized	208
Distributions from equity method investments	$ 1,215	$ 941	$ 772