Income Taxes (Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Accrued expenses not currently deductible	$ 679	$ 670
Differences related to non-U.S. operations	299	275
Accrued U.S. retirement benefits	134	172
Net operating losses	297	285
Income currently recognized for tax	48	34
Other	32	25
Deferred tax assets	1,489	1,461
Deferred tax liabilities:
Differences related to non-U.S. operations	586	543
Depreciation and amortization	527	510
Accrued retirement & post-retirement benefits – non-U.S. operations	404	408
Capitalized expenses currently recognized for tax	120	107
Other	38	57
Deferred tax liabilities	1,675	1,625
Balance sheet classifications:
Deferred tax assets	357	358
Other Noncurrent Assets
Balance sheet classifications:
Deferred tax assets	357	358
Other Noncurrent Liabilities
Balance sheet classifications:
Other liabilities	543	522
Deferred Tax Assets Related To Accrued Expenses Not Currently Deductible
Deferred tax liabilities:
Valuation allowance	3	5
Deferred Tax Assets Related to Differences Related to Non-U.S. Operations
Deferred tax liabilities:
Valuation allowance	53	160
Deferred Tax Assets Related To Net Operating Loss
Deferred tax liabilities:
Valuation allowance	$ 69	$ 69