Segment and Geographic Area Information - Schedule of Reconciliation of Certain Segment Information to Consolidated Totals (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 1,238	$ 1,134	$ 1,253	$ 1,634	$ 1,734	$ 1,794	$ 1,818	$ 1,752	$ 5,259	$ 7,098	$ 6,778
Total segment sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									5,269	7,129	6,833
Elimination of inter-segment sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									(12)	(24)	(35)
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									$ 2	$ (7)	$ (20)