Debt (Schedule of Debt Maturity) (Details) $ in Millions	Dec. 31, 2021 USD ($)
Maturity profile:
2022	$ 906
2023	52
2024	1,070
2025	949
2026	2
Thereafter	6,775
Total	$ 9,754

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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