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Leases (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Lease, Cost [Table Text Block] | The following table sets forth the amounts relating to the Company’s total lease cost and other information.
| Year Ended
| December 31, 2021 | December 31, 2020
| (In millions)
Lease cost: |  |
Operating lease cost | $ | 336 |  | $ | 315 |
Short-term lease cost | 117 |  | 101 |
Total lease cost | $ | 453 |  | $ | 416 |
Other information: |  |
Operating lease liability principal payments | $ | 325 |  | $ | 302 |
Right-of-use assets obtained in exchange for new operating lease liabilities | $ | 197 |  | $ | 314 |
| December 31, 2021 | December 31, 2020
Weighted-average remaining lease term - operating leases (in years) | 6 | 7
Weighted average discount rate - operating leases | 3.8 | % | 4.2 | %
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | Below is a tabular disclosure of the future annual undiscounted cash flows for operating lease liabilities as of December 31, 2021.
| Undiscounted
| Cash Flows
| (In millions)
2022 | $ | 310 |
2023 | 259 |
2024 | 194 |
2025 | 126 |
2026 | 68 |
Thereafter | 225 |
Total | 1,182 |
Less interest (1) | (140) |
Lease liability | $ | 1,042 |
(1) Calculated using the implicit rate of the lease, if available, or the incremental borrowing rate that is appropriate for the tenor and geography of the lease.

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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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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