Other Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Other assets
Long-term pension assets		$ 442	$ 437
Investments in affiliates		304	291
Right-of-use operating lease assets		291	239
Long-term deferred tax assets		267	241
Other		450	377
Other Assets		$ 1,754	$ 1,585
Share of equity method losses	$ 30