Income Taxes (Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Accrued expenses not currently deductible	$ 670	$ 647
Differences related to non-U.S. operations	275	293
Accrued U.S. retirement benefits	172	293
Net operating losses	285	183
Income currently recognized for tax	34	29
Other	25	32
Deferred tax assets	1,461	1,477
Deferred tax liabilities:
Differences related to non-U.S. operations	543	624
Depreciation and amortization	510	506
Accrued retirement & postretirement benefits - non-U.S. operations	408	403
Capitalized expenses currently recognized for tax	107	98
Other	57	32
Deferred tax liabilities	1,625	1,663
Balance sheet classifications:
Deferred tax assets	358	551
Other Noncurrent Assets
Balance sheet classifications:
Deferred tax assets	358	551
Other Noncurrent Liabilities
Balance sheet classifications:
Other liabilities	522	737
Deferred Tax Assets Related To Accrued Expenses Not Currently Deductible
Deferred tax liabilities:
Valuation allowance	5	2
Deferred Tax Assets Related to Differences Related to Non-U.S. Operations
Deferred tax liabilities:
Valuation allowance	160	144
Deferred Tax Assets Related To Net Operating Loss
Deferred tax liabilities:
Valuation allowance	$ 69	$ 88