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Leases (Schedule of Right-of-use Assets and Lease Liabilities) (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Leases [Abstract] |  |  |
Right-of-use assets, finance lease |  | $ 249 | $ 203
Finance lease liabilities: |  |  |
Current lease liabilities, finance lease | [1] | 21 | 8
Long-term lease liabilities, finance lease |  | 287 | 249
Total lease liabilities, finance lease |  | 308 | 257
Right-of-use assets, operating lease |  | 12 | 21
Operating lease liabilities: |  |  |
Current lease liabilities, operating lease | [1] | 9 | 13
Long-term lease liabilities, operating lease |  | 3 | 8
Total lease liabilities, operating lease |  | 12 | 21
Right-of-use assets |  | 261 | 224
Lease liabilities: |  |  |
Current lease liabilities | [1] | 30 | 21
Long-term lease liabilities |  | 290 | 257
Total lease liabilities |  | $ 320 | $ 278
[1] | Current lease liabilities are included in other current liabilities on the consolidated balance sheets.

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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