Revenue Recognition and Contracts with Customers - Contract Balances (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Contract With Customer, Asset And Liability [Roll Forward] | |||||
| Contract assets - beginning balance | $ 1,301 | $ 1,337 | |||
| Contract assets - ending balance | $ 1,484 | $ 1,590 | 1,484 | 1,590 | |
| Change in contract assets - increase (decrease) | 183 | 253 | |||
| Contract liabilities - beginning balance | (1,159) | (1,719) | |||
| Contract liabilities - ending balance | (1,883) | (1,902) | (1,883) | (1,902) | |
| Change in contract liabilities - (increase) decrease | (724) | (183) | |||
| Net change | (541) | 70 | |||
| Contract liability, revenue recognized | 124 | $ 158 | 1,030 | $ 990 | |
| Unbilled balances | $ 1,440 | $ 1,440 | $ 1,263 | ||
| X | ||||||||||
- Definition Contract With Customer, Asset And Liability No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in net contract assets and liabilities No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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