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Leases (Tables) | 12 Months Ended
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Dec. 31, 2020
Leases [Abstract] |
Schedule of Amount, Timing and Uncertainty of Cash Flows of Company's Operating Leases | The following table presents information about the amount, timing and uncertainty of cash flows arising from all of the Company’s operating leases as of December 31, 2020.
(Dollars in Millions) | December 2020
Maturity of Lease Liabilities | Lease Payments
2021 | 47 |
2022 | 43 |
2023 | 36 |
2024 | 36 |
2025 | 35 |
Thereafter | 1,172 |
Total undiscounted operating lease payments | $ | 1,369 |
Less: Imputed interest | (869) |
Present value of operating lease liabilities | $ | 500 |
Future payments due to Conrail under the shared asset area agreements are shown in the table below.
(Dollars in Millions) | Conrail Shared
Years | Asset Agreement
2021 | $ | 30 |
2022 | 30 |
2023 | 30 |
2024 | 22 |
2025 | — |
Thereafter | — |
Total | $ | 112 |
Schedule of Balance Sheet Classification and Other Information of Company's Operating Leases |
(Dollars in Millions) | 2020 | 2019
Balance Sheet Classification |  |
Right of use asset | $ | 472 |  | $ | 532 |
Current lease liabilities (recorded in other current liabilities) | $ | 45 |  | $ | 57 |
Long-term lease liabilities | 455 |  | 493 |
Total operating lease liabilities | $ | 500 |  | $ | 550 |
Other Information |  |
Weighted-average remaining lease term for operating leases | 35 years | 33 years
Weighted-average discount rate for operating leases | 5.0 | % | 5.0 | %
Schedule of Operating Lease Costs | These amounts are shown in the table below.
| Fiscal Years
(Dollars in Millions) | 2020 |  | 2019 |  | 2018
Rent Expense on Operating Leases | $ | 82 |  |  | $ | 84 |  |  | $ | 66 |

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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=121609121&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=121609121&loc=SL77918701-209980 + Details
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