Revenue Recognition (Contract Assets and Liabilities) (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
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| Capitalized Contract Cost [Line Items] | ||
| Contract asset | $ 6,426 | $ 6,518 |
| Contract liability | 4,219 | 3,994 |
| Contract liability balance - current portion | 4,059 | 3,778 |
| Prepaid and other current assets | ||
| Capitalized Contract Cost [Line Items] | ||
| Contract asset balance - current portion | 3,674 | 3,549 |
| Advanced billings and customer deposits | ||
| Capitalized Contract Cost [Line Items] | ||
| Contract liability balance - current portion | $ 3,938 | $ 3,666 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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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- 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, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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