Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets
Post-retirement and pension benefit costs	$ 659	$ 725
Net operating loss carryforwards	794	871
Other employee benefits	23	85
Other	511	519
Gross deferred tax assets	1,987	2,200
Less valuation allowance	(399)	(550)
Net deferred tax assets	1,588	1,650
Deferred tax liabilities
Property, plant and equipment, primarily due to depreciation differences	(3,332)	(3,046)
Goodwill and other intangible assets	(1,271)	(1,634)
Gross deferred tax liabilities	(4,603)	(4,680)
Net deferred tax liability	$ (3,015)	(3,030)
Disposal Group, Not Discontinued Operations | EMEA Business
Deferred tax liabilities
Deferred tax assets		138
Deferred tax liabilities		$ 38