Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Translation Adjustments Gains (Losses), net of tax	[1]	$ 191	$ (376)	$ (141)
Other Comprehensive (Loss) Income, Pre-tax		(233)	(618)	482
Other Comprehensive (Loss) Income, Net of Tax	[1]	(139)	(549)	344
Cumulative translation adjustments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Translation Adjustments Gains (Losses), Pre-tax		191	(376)	(145)
Translation Adjustments Gains (Losses), net of tax		191	(376)	(141)
Unrealized (Losses) Gains
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Changes in fair value of cash flow hedges losses, pre-tax		(18)	(35)	(12)
Changes in fair value of cash flow hedges losses, net of tax		(16)	(27)	(9)
Changes in cash flow hedges reclassed to earnings, pre-tax		18	35	7
Changes in cash flow hedges reclassed to earnings, net of tax		17	26	5
Other losses, pre-tax		0	(1)	0
Other losses, net of tax		0	(1)	0
Other Comprehensive (Loss) Income, Pre-tax		0	(1)	(5)
Other Comprehensive (Loss) Income, Net of Tax		1	(2)	(4)
Net actuarial/prior service (losses) gains
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Loss) Income, Pre-tax		(400)	(373)	537
Other Comprehensive (Loss) Income, Net of Tax		(300)	(284)	409
Prior service amortization/curtailment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Loss) Income, Pre-tax		(10)	(18)	(72)
Other Comprehensive (Loss) Income, Net of Tax		(8)	(14)	(54)
Actuarial loss amortization/settlement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Loss) Income, Pre-tax		35	88	132
Other Comprehensive (Loss) Income, Net of Tax		26	66	99
Other gains (losses)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Loss) Income, Pre-tax		(49)	62	35
Other Comprehensive (Loss) Income, Net of Tax		(49)	61	35
Changes in Defined Benefit Plans (Losses) Gains
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Loss) Income, Pre-tax		(424)	(241)	632
Other Comprehensive (Loss) Income, Net of Tax		$ (331)	$ (171)	$ 489

[1] Refer to Note 24 - Other Comprehensive (Loss) Income for gross components of Other Comprehensive (Loss) Income, reclassification adjustments out of Accumulated Other Comprehensive Loss and related tax effects.