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v3.19.3.a.u2

Leases (Tables) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Future Minimum Lease Commitments | Future minimum lease commitments at December 31, 2019 were as follows (in millions):
| Total | 2020 | 2021 | 2022 | 2023 | 2024 | Thereafter
Operating leases | $ | 1,287 |  |  | $ | 280 |  |  | $ | 190 |  |  | $ | 154 |  |  | $ | 119 |  |  | $ | 98 |  |  | $ | 446 |  |
Less: imputed interest | $ | 182 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total | $ | 1,105 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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=77888426&loc=SL77918701-209980 + Details
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