Leases (Schedule Of Future Minimum Commitments) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating
2023	$ 403
2024	308
2025	228
2026	140
2027	72
2028 and thereafter	172
Gross lease payments	1,323
Less: imputed interest	114
Total operating lease liabilities	1,209	$ 1,365
Finance
2023	104
2024	87
2025	78
2026	75
2027	59
2028 and thereafter	268
Gross lease payments	671
Less: imputed interest	141
Total finance lease liabilities	$ 530	$ 598