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Leases (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Leases [Line Items] |  |  |
Option to terminate leases, Lessee | 1 year |  |
Retained earnings (deficit) | $ 562 | $ 884 |
Option to terminate leases, Lessor | 1 year |  |
Lease revenue | $ 52 | $ 62 | $ 63
Minimum [Member] |  |  |
Leases [Line Items] |  |  |
Operating and finance lease terms, Lessee | 1 year |  |
Operator lease terms, Lessor | 1 year |  |
Maximum [Member] |  |  |
Leases [Line Items] |  |  |
Operating and finance lease terms, Lessee | 83 years |  |
Operator lease terms, Lessor | 62 years |  |

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- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 + Details
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