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Condensed Financial Information - Statements of Earnings and Comprehensive Income (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
From consolidated subsidiaries: |  |  |
Investment gains (losses) | $ 74,855 | $ (67,623) | $ 77,576
Equity method earnings | 1,973 | 1,863 | 886
Total revenues | 364,482 | 302,020 | 276,185
Cost and expense items: |  |  |
Interest expense | 5,003 | 4,352 | 4,172
Income tax expense (benefit) | 23,019 | (8,502) | 20,912
Total costs and expenses | 321,144 | 266,484 | 243,752
Net earnings (loss) attributable to Berkshire Hathaway shareholders | 96,223 | (22,759) | 89,937
Comprehensive income attributable to Berkshire Hathaway shareholders | 97,512 | (19,688) | 91,808
The Kraft Heinz Company [Member] |  |  |
From consolidated subsidiaries: |  |  |
Equity method earnings | 758 | 628 | 269
Berkshire Hathaway Inc. (Parent) [Member] |  |  |
From consolidated subsidiaries: |  |  |
Dividends and distributions | 9,717 | 15,724 | 13,462
Undistributed earnings (losses) | 85,550 | (39,579) | 74,961
Total income from consolidated subsidiaries | 95,267 | (23,855) | 88,423
Investment gains (losses) | (7) | (34) | 35
Other income | 906 | 413 | 73
Total revenues | 96,924 | (22,848) | 88,800
Cost and expense items: |  |  |
General and administrative | 244 | 131 | 136
Interest expense | 636 | 513 | 444
Foreign exchange gains on non-U.S. Dollar denominated debt | (371) | (1,401) | (1,281)
Income tax expense (benefit) | 192 | 668 | (436)
Total costs and expenses | 701 | (89) | (1,137)
Net earnings (loss) attributable to Berkshire Hathaway shareholders | 96,223 | (22,759) | 89,937
Other comprehensive income attributable to Berkshire Hathaway shareholders | 1,289 | 3,071 | 1,871
Comprehensive income attributable to Berkshire Hathaway shareholders | 97,512 | (19,688) | 91,808
Berkshire Hathaway Inc. (Parent) [Member] | The Kraft Heinz Company [Member] |  |  |
From consolidated subsidiaries: |  |  |
Equity method earnings | $ 758 | $ 628 | $ 269

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