SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for Doubtful Accounts And Notes Receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 28	$ 17	$ 16
Charged to Costs and Expenses	3	14	5
Charged to Other Accounts	1	0	0
Deductions	0	3	4
Balance at End of Year	32	28	17
Deferred Tax Assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	762	554	163
Charged to Costs and Expenses	605	36	0
Charged to Other Accounts	0	0	0
Deductions	61	172	391
Balance at End of Year	$ 1,428	762	554
Federal-Mogul | Deferred Tax Assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Deductions		$ 142	368
Valuation allowance remeasurement			$ 40