Debt and Other Obligations Contractual Maturities (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]
Long-Term Debt, Maturity, remainder of year	[1]	$ 992
Long-Term Debt, Maturity, Year Two		841
Long-Term Debt, Maturity, Year Three		844
Long-Term Debt, Maturity, Year Four		638
Long-Term Debt, Maturity, Year Five	[2],[3]	4,795
Long-Term Debt, Maturity, after Year Five	[2]	13,335
Total Cash Obligations		21,445
Unamortized Adjustments, Net		(163)
Debt and Finance Lease Obligations		$ 21,282	$ 20,629

[1] Predominately consists of outstanding indebtedness under the CP Program (as discussed in footnote (f) above).

[2] Certain previously-reported amounts within the 2026 and Thereafter columns have been adjusted. There was no impact to the amount shown in the previously-reported Total Cash Obligations column.

[3] Inclusive of outstanding borrowings under the 2016 Credit Facility as of June 30, 2022. See note 12 for a discussion of the 2022 Credit Agreement Amendment.