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United Kingdom Operations Restructuring (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
U.K. operations restructuring		$ 162
U.K. long-lived and intangible asset impairment	$ 0	152	$ 0	$ 152
U.K. operations restructuring	$ 0	10	$ 2	$ 10
Trade names
Restructuring Cost and Reserve [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		8
Ince Facility
Restructuring Cost and Reserve [Line Items]
Impairment of property plant and equipment		135
Asset Retirement Obligation, Period Increase (Decrease)		9
Ince Facility \| Raw Material and Spare Parts
Restructuring Cost and Reserve [Line Items]
Asset impairment charges		$ 9