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Revenue from contracts with customers disaggregated by reportable segment and source of revenue (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 61,291 | $ 59,745
Other revenues | 28,578 | 25,648
Total revenues | 89,869 | 85,393
Industrial and Commercial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,262 | 7,294
Building [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,674 | 4,758
Consumer [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,193 | 4,035
Grocery and Convenience Store Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,602 | 7,793
Food and Beverage Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,436 | 4,762
Auto Sales [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,552 | 2,565
Other Retail and Wholesale Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 5,201 | 5,451
Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 8,463 | 8,781
Electricity, Natural Gas and Fuel [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 16,908 | 14,306
Manufacturing Businesses [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 17,273 | 17,175
Other revenues | 1,238 | 1,090
Total revenues | 18,511 | 18,265
Manufacturing Businesses [Member] | Industrial and Commercial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,210 | 7,229
Manufacturing Businesses [Member] | Building [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,674 | 4,758
Manufacturing Businesses [Member] | Consumer [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,193 | 4,035
Manufacturing Businesses [Member] | Other Retail and Wholesale Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 819 | 799
Manufacturing Businesses [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 377 | 354
McLane [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 12,259 | 12,839
Other revenues | 41 | 42
Total revenues | 12,300 | 12,881
McLane [Member] | Grocery and Convenience Store Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,602 | 7,793
McLane [Member] | Food and Beverage Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 4,436 | 4,762
McLane [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 221 | 284
Service and Retailing [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,749 | 8,186
Other revenues | 1,923 | 1,716
Total revenues | 9,672 | 9,902
Service and Retailing [Member] | Industrial and Commercial [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 52 | 65
Service and Retailing [Member] | Auto Sales [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,552 | 2,565
Service and Retailing [Member] | Other Retail and Wholesale Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,768 | 4,230
Service and Retailing [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,377 | 1,326
BNSF [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 5,618 | 5,985
Other revenues | 19 | 16
Total revenues | 5,637 | 6,001
BNSF [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 5,618 | 5,985
Berkshire Hathaway Energy [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 5,935 | 6,102
Other revenues | 330 | 337
Total revenues | 6,265 | 6,439
Berkshire Hathaway Energy [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 806 | 811
Berkshire Hathaway Energy [Member] | Electricity, Natural Gas and Fuel [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 5,129 | 5,291
Pilot [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 12,457 | 9,458
Other revenues | 37 | 38
Total revenues | 12,494 | 9,496
Pilot [Member] | Other Retail and Wholesale Distribution [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 614 | 422
Pilot [Member] | Service [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 64 | 21
Pilot [Member] | Electricity, Natural Gas and Fuel [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 11,779 | 9,015
Insurance, Corporate and Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Other revenues | 24,990 | 22,409
Total revenues | $ 24,990 | $ 22,409

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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