Income and Other Taxes - Allocation of Income Tax Expense Benefit (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Interperiod Allocaion [Line Items]
Income tax expense	$ (3)	$ (17)	$ 64
Total Income Tax Expense	66	121	105
Changes in defined benefit plans
Income Tax Interperiod Allocaion [Line Items]
Other comprehensive income (loss), tax	70	143	43
Cash flow hedges
Income Tax Interperiod Allocaion [Line Items]
Other comprehensive income (loss), tax	(1)	(1)	1
Translation adjustments
Income Tax Interperiod Allocaion [Line Items]
Other comprehensive income (loss), tax	$ 0	$ (4)	$ (3)