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Revenues - Schedule of Changes in the Deferred Revenue Balances (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Change in Contract with Customer, Liability [Abstract] |  |  |  |  |
Beginning Balance | $ 1,673 | $ 1,648 | $ 1,381 | $ 1,333 |
Revenue recognized that was included in the deferred revenue balance at the beginning of the period | (646) | (708) | (907) | (948) |
Increases due to amounts billable excluding amounts recognized as revenue during the period | 458 | 508 | 1,027 | 1,046 |
Effect of exchange rate changes | (3) | 4 | (19) | 21 |
Total changes in deferred revenue | (191) | (196) | 101 | 119 |
Ending Balance | 1,482 | 1,452 | 1,482 | 1,452 |
Deferred revenue | 1,423 | 1,385 | 1,423 | 1,385 | $ 1,316
Non-current portion of deferred revenue | 59 | 67 | 59 | 67 | $ 65
MA |  |  |  |  |
Change in Contract with Customer, Liability [Abstract] |  |  |  |  |
Beginning Balance | 1,312 | 1,288 | 1,111 | 1,055 |
Revenue recognized that was included in the deferred revenue balance at the beginning of the period | (529) | (592) | (752) | (788) |
Increases due to amounts billable excluding amounts recognized as revenue during the period | 365 | 417 | 803 | 830 |
Effect of exchange rate changes | (2) | 3 | (16) | 19 |
Total changes in deferred revenue | (166) | (172) | 35 | 61 |
Ending Balance | 1,146 | 1,116 | 1,146 | 1,116 |
Deferred revenue | 1,145 | 1,115 | 1,145 | 1,115 |
Non-current portion of deferred revenue | 1 | 1 | 1 | 1 |
MIS |  |  |  |  |
Change in Contract with Customer, Liability [Abstract] |  |  |  |  |
Beginning Balance | 361 | 360 | 270 | 278 |
Revenue recognized that was included in the deferred revenue balance at the beginning of the period | (117) | (116) | (155) | (160) |
Increases due to amounts billable excluding amounts recognized as revenue during the period | 93 | 91 | 224 | 216 |
Effect of exchange rate changes | (1) | 1 | (3) | 2 |
Total changes in deferred revenue | (25) | (24) | 66 | 58 |
Ending Balance | 336 | 336 | 336 | 336 |
Deferred revenue | 278 | 270 | 278 | 270 |
Non-current portion of deferred revenue | $ 58 | $ 66 | $ 58 | $ 66 |

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