(Pension Benefit Adjustments Recognized In Other Comprehensive (Loss) Income) (Details)	12 Months Ended
	Dec. 31, 2022 USD ($)
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial (gain) loss	$ 451,000,000
Amortization of actuarial (loss) gain	(87,000,000)
Current year prior service cost	16,000,000
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	23,000,000
Total recognized in other comprehensive income	357,000,000
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial (gain) loss	(10,000,000)
Amortization of actuarial (loss) gain	(1,000,000)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	0
Effect of foreign currency exchange rate movements	(1,000,000)
Total recognized in other comprehensive income	$ (12,000,000)