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Selected Quarterly Financial Data (Unaudited) - Summary of the impact of the revision on net revenues and cost of sales (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Selected Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ 4,468 | $ 4,093 | $ 4,177 | $ 4,149 | $ 4,419 | $ 4,385 | $ 4,552 | $ 4,916 | $ 16,887 | $ 18,271 | $ 21,853
Cost of sales |  |  |  |  |  |  |  |  | $ 9,351 | $ 9,975 | $ 11,237
As reported [Member] |  |  |  |  |  |  |  |  |  |  |
Selected Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | 4,264 | 4,337 | 4,295 | 4,559 | 4,529 | 4,701 | 5,065 |  |  |
Cost of sales |  | 2,435 | 2,443 | 2,440 | 2,588 | 2,552 | 2,668 | 2,750 |  |  |
Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |
Selected Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | (171) | (159) | (146) | (141) | (143) | (150) | (149) |  |  |
Cost of sales |  | (171) | (159) | (146) | (141) | (143) | (150) | (149) |  |  |
As revised [Member] |  |  |  |  |  |  |  |  |  |  |
Selected Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | 4,093 | 4,177 | 4,149 | 4,419 | 4,385 | 4,552 | 4,916 |  |  |
Cost of sales |  | $ 2,264 | $ 2,284 | $ 2,293 | $ 2,447 | $ 2,409 | $ 2,518 | $ 2,601 |  |  |

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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