Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Operating Leases: | ||
| Operating lease right-of-use assets | $ 461 | $ 482 |
| Accrued liabilities | $ 27 | $ 27 |
| Operating lease liability, current, location | Other current liabilities | Other current liabilities |
| Long-term operating lease liabilities (note 8) | $ 460 | $ 475 |
| Operating lease liability, long-term, location | Long-term operating lease liabilities (note 8) | Long-term operating lease liabilities (note 8) |
| Total operating lease liabilities | $ 487 | $ 502 |
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- Definition Lessee, Operating Leases No definition available.
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of financial position that includes current operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of financial position that includes noncurrent operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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