Leases - Summary of Supplemental Balance Sheet (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Schedule Of Lease Assets And Liabilities [Abstract] | ||||
| Operating lease right-of-use assets | $ 2,114 | $ 2,189 | ||
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Operating lease right-of-use assets | Operating lease right-of-use assets | ||
| Finance lease right-of-use assets | $ 49 | $ 49 | ||
| Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property, plant and equipment, net | Property, plant and equipment, net | ||
| Total leased assets | [1] | $ 2,163 | $ 2,238 | |
| Operating lease liabilities | 433 | 438 | ||
| Finance lease liabilities, Current | $ 6 | $ 6 | ||
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accounts payable and other current liabilities | Accounts payable and other current liabilities | ||
| Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accounts payable and other current liabilities | Accounts payable and other current liabilities | ||
| Non-current operating lease liabilities | $ 1,747 | $ 1,823 | ||
| Non-current finance lease liabilities | 50 | 51 | ||
| Total lease liabilities | [1] | $ 2,236 | $ 2,318 | |
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