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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | As of December 31, 2021, future minimum annual lease payments under all non-cancelable operating leases were as follows:
(in millions) |  | Future Minimum Lease Payments
2022 |  | $ | 870 |
2023 |  | 763 |
2024 |  | 616 |
2025 |  | 510 |
2026 |  | 407 |
Thereafter |  | 1,716 |
Total future minimum lease payments |  | 4,882 |
Less imputed interest |  | (609) |
Total |  | $ | 4,273 |

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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