Other Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2021	Dec. 31, 2020
Other assets
Long-term pension assets		$ 572	$ 562
Investments in affiliates		306	321
Right-of-use operating lease assets		380	302
Long-term deferred tax assets		192	227
Other		493	447
Other Assets		$ 1,943	$ 1,859
Share of equity method losses	$ 30