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Charges and Credits - Additional Information (Detail) - USD ($) shares in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Charges And Credits [Line Items] |  |  |  |  |  |  |
Severance charges | $ 65,000,000 | $ 111,000,000 |  |  |  |  |
Merger & integration | 33,000,000 |  |  |  |  | $ 60,000,000 |
Charges and credits, Net |  |  | $ 0 | $ 0 |  | 211,000,000 |
Liberty Energy Inc |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |
Shares issued |  |  |  |  | 9 |  |
Received proceeds from sale of shares |  |  |  |  | $ 137,000,000 |  |
Gains on sales of businesses |  |  |  |  | 28,000,000 |  |
Pretax gain on sale of business |  |  |  |  | $ 36,000,000 |  |
Product |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |
Cost of services and sales | $ 2,772,000,000 |  | $ 2,232,000,000 |  |  | 8,103,000,000 | $ 6,601,000,000
Aker | Subsea Business |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |
Business acquisition pre tax charges |  |  |  |  |  | 103,000,000 |
Amortization of purchase accounting adjustments related to acquired inventories |  |  |  |  |  | 43,000,000 |
Other merger and integration-related costs |  |  |  |  |  | 60,000,000 |
Merger & integration |  |  |  |  |  | 60,000,000 |
Aker | Subsea Business | Product |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |
Cost of services and sales |  |  |  |  |  | $ 43,000,000 |

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