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Charges and Credits - Summary of Charges and Credits (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2020
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  |  |  | $ (347) |
Charges and credits, Tax Expense |  |  |  |  |  |  |  |  |  | (44) |
Charges and credits, Net |  |  |  |  |  |  |  |  |  | $ (303) |
Interest And Other |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  | $ (65) |  |  |  |  |  |  |
Charges and credits, Tax Expense |  |  |  | (15) |  |  |  |  |  |  |
Charges and credits, Net |  |  |  | (50) |  |  |  |  |  |  |
Interest And Other | Gain On Sale Of Liberty Shares |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit | $ (84) | $ (215) | $ (26) | (28) |  |  |  |  |  |  |
Charges and credits, Tax Expense | (19) | (14) | (4) | (4) |  |  |  |  |  |  |
Charges and credits, Net | (65) | (201) | $ (22) | (24) |  |  |  |  |  |  |
Interest And Other | Gain On Sale Of Real Estate |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  | (43) |  |  |  |  |  |  |  |  |
Charges and credits, Tax Expense |  | (2) |  |  |  |  |  |  |  |  |
Charges and credits, Net |  | $ (41) |  |  |  |  |  |  |  |  |
Interest And Other | Loss On Blue Chip Swap Transactions |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit | 139 |  |  |  |  |  |  |  |  |  |
Charges and credits, Net | 139 |  |  |  |  |  |  |  |  |  |
Interest And Other | Gain On ADC Equity Investment |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit | (107) |  |  |  |  |  |  |  |  |  |
Charges and credits, Tax Expense | (3) |  |  |  |  |  |  |  |  |  |
Charges and credits, Net | (104) |  |  |  |  |  |  |  |  |  |
Interest And Other | Gain On Repurchase Of Bonds |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit | (11) |  |  |  |  |  |  |  |  |  |
Charges and credits, Tax Expense | (2) |  |  |  |  |  |  |  |  |  |
Charges and credits, Net | $ (9) |  |  |  |  |  |  |  |  |  |
Interest And Other | Early Repayment of Bonds |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  | 10 |  |  |  |  |  |  |
Charges and credits, Net |  |  |  | $ 10 |  |  |  |  |  |  |
Interest And Other | Unrealized Gain On Available For Sale Marketable Securities |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  | $ (47) |  |  |  |  |  |
Charges and credits, Tax Expense |  |  |  |  | (11) |  |  |  |  |  |
Charges and credits, Net |  |  |  |  | $ (36) |  |  |  |  |  |
Impairment and Other |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  |  |  |  | $ 12,515
Charges and credits, Tax Expense |  |  |  |  |  |  |  |  |  |  | 1,041
Charges and credits, Net |  |  |  |  |  |  |  |  |  |  | $ 11,474
Impairment and Other | Unrealized Gain On Available For Sale Marketable Securities |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  | $ (39) |  |  |  |  |
Charges and credits, Tax Expense |  |  |  |  |  | (9) |  |  |  |  |
Charges and credits, Net |  |  |  |  |  | (30) |  |  |  |  |
Impairment and Other | Goodwill |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  |  | $ 3,070 |  |
Charges and credits, Net |  |  |  |  |  |  |  |  | 3,070 |  |
Impairment and Other | Intangible assets impairment |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  |  | 3,321 |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  |  | 815 |  |
Charges and credits, Net |  |  |  |  |  |  |  |  | 2,506 |  |
Impairment and Other | Asset Performance Solutions Investments |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | $ 730 | 1,264 |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 15 | (4) |  |
Charges and credits, Net |  |  |  |  |  |  |  | 715 | 1,268 |  |
Impairment and Other | North America pressure pumping asset impairments |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  |  | 587 |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  |  | 133 |  |
Charges and credits, Net |  |  |  |  |  |  |  |  | 454 |  |
Impairment and Other | Workforce reductions |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  | $ 63 | 1,021 | 202 |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 71 | 7 |  |
Charges and credits, Net |  |  |  |  |  |  | 63 | 950 | 195 |  |
Impairment and Other | Other |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  | 62 | 33 | 60 | 79 |  |
Charges and credits, Tax Expense |  |  |  |  |  | 4 | 1 | 4 | 9 |  |
Charges and credits, Net |  |  |  |  |  | 58 | 32 | 56 | 70 |  |
Impairment and Other | Valuation allowance |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  |  | (164) |  |
Charges and credits, Net |  |  |  |  |  |  |  |  | $ 164 |  |
Impairment and Other | Fixed Asset Impairment |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 666 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 52 |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 614 |  |  |
Impairment and Other | Inventory Write Down |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 603 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 49 |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 554 |  |  |
Impairment and Other | Right Of Use Asset Impairments |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 311 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 67 |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 244 |  |  |
Impairment and Other | Costs Associated With Exiting Certain Activities1 |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 205 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | (25) |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 230 |  |  |
Impairment and Other | Exploration Data Impairment |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 156 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 2 |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 154 |  |  |
Impairment and Other | Repurchase of bonds |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | 40 |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | 2 |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | 38 |  |  |
Impairment and Other | Postretirement Benefits Curtailment Gain |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  |  | (69) |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  |  | (16) |  |  |
Charges and credits, Net |  |  |  |  |  |  |  | $ (53) |  |  |
Impairment and Other | Facility exit charges |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  |  | 254 |  |  |  |
Charges and credits, Tax Expense |  |  |  |  |  |  | 39 |  |  |  |
Charges and credits, Net |  |  |  |  |  |  | $ 215 |  |  |  |
Impairment and Other | Gain on sale of OneStim |  |  |  |  |  |  |  |  |  |  |
Charges And Credits [Line Items] |  |  |  |  |  |  |  |  |  |  |
Charges and credits, Pretax Credit |  |  |  |  |  | (104) |  |  |  |  |
Charges and credits, Tax Expense |  |  |  |  |  | (11) |  |  |  |  |
Charges and credits, Net |  |  |  |  |  | $ (93) |  |  |  |  |

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