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Leases | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Leases | Leases Total lease expense was $57 million, $57 million and $55 million for the years ended December 31, 2021, 2020 and 2019. Total lease expense includes operating lease expense of $38 million, $38 million and $37 million and variable lease expense of $19 million, $19 million and $18 million for the years ended December 31, 2021, 2020 and 2019. Cash paid for amounts included in operating lease liabilities was $44 million, $41 million and $34 million for the years ended December 31, 2021, 2020 and 2019. Operating lease ROU assets obtained in exchange for lease obligations was $11 million, $6 million and $12 million for the years ended December 31, 2021, 2020 and 2019. The following table presents operating lease ROU assets and lease liabilities.
(In millions) | December 31, 2021 |  | December 31, 2020
Operating lease ROU assets | $ | 175 |  |  | $ | 199 |
Operating lease liabilities | 248 |  |  | 279 |
The following table presents the maturities of operating lease liabilities
(In millions) | December 31, 2021
2022 | $ | 42 |
2023 | 37 |
2024 | 30 |
2025 | 25 |
2026 | 22 |
Thereafter | 141 |
Total lease payments | 297 |
Less: Discount | (49) |
Total operating lease liabilities | $ | 248 |
The following table presents the weighted average remaining lease term for operating leases and weighted average discount rate used in calculating operating lease ROU assets.
| December 31, 2021 |  | December 31, 2020
Weighted average remaining lease term | 9.8 years |  | 10.3 years
Weighted average discount rate | 3.4 | % |  | 3.4 | %

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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