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Revenue from contracts with customers disaggregated by reportable segment and source of revenue (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | $ 254,906 | $ 207,771 | $ 191,252
Other revenues | 109,576 | 94,249 | 84,933
Total revenues | 364,482 | 302,020 | 276,185
Industrial and Commercial [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 28,299 | 24,765 | 22,343
Building [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 20,119 | 22,762 | 19,604
Consumer [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 17,702 | 19,912 | 18,540
Grocery and Convenience Store Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 31,524 | 32,599 | 31,245
Food and Beverage Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 19,040 | 19,388 | 17,332
Auto Sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,747 | 10,486 | 9,966
Other Retail and Wholesale Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 22,001 | 20,126 | 18,895
Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 36,053 | 37,416 | 35,063
Electricity, Natural Gas and Fuel [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 69,421 | 20,317 | 18,264
Manufacturing Businesses [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 70,633 | 71,634 | 64,811
Other revenues | 4,650 | 4,016 | 3,766
Total revenues | 75,283 | 75,650 | 68,577
Manufacturing Businesses [Member] | Industrial and Commercial [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 28,066 | 24,566 | 22,184
Manufacturing Businesses [Member] | Building [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 20,119 | 22,762 | 19,604
Manufacturing Businesses [Member] | Consumer [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 17,702 | 19,912 | 18,540
Manufacturing Businesses [Member] | Other Retail and Wholesale Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 3,289 | 3,195 | 2,997
Manufacturing Businesses [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,457 | 1,199 | 1,486
McLane [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 51,643 | 53,090 | 49,328
Other revenues | 171 | 119 | 122
Total revenues | 51,814 | 53,209 | 49,450
McLane [Member] | Grocery and Convenience Store Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 31,524 | 32,599 | 31,245
McLane [Member] | Food and Beverage Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 19,040 | 19,388 | 17,332
McLane [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,079 | 1,103 | 751
Service and Retailing [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 32,743 | 32,055 | 30,146
Other revenues | 7,136 | 6,154 | 4,601
Total revenues | 39,879 | 38,209 | 34,747
Service and Retailing [Member] | Industrial and Commercial [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 233 | 199 | 159
Service and Retailing [Member] | Auto Sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,747 | 10,486 | 9,966
Service and Retailing [Member] | Other Retail and Wholesale Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 16,289 | 16,931 | 15,898
Service and Retailing [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 5,474 | 4,439 | 4,123
BNSF [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 23,724 | 25,742 | 23,120
Other revenues | 67 | 60 | 57
Total revenues | 23,791 | 25,802 | 23,177
BNSF [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 23,724 | 25,742 | 23,120
Berkshire Hathaway Energy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 24,702 | 25,250 | 23,847
Other revenues | 1,258 | 1,097 | 1,205
Total revenues | 25,960 | 26,347 | 25,052
Berkshire Hathaway Energy [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 4,055 | 4,933 | 5,583
Berkshire Hathaway Energy [Member] | Electricity, Natural Gas and Fuel [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 20,647 | 20,317 | 18,264
Pilot Travel Centers ("PTC") [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 51,461 |  |
Other revenues | 203 |  |
Total revenues | 51,664 |  |
Pilot Travel Centers ("PTC") [Member] | Other Retail and Wholesale Distribution [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 2,423 |  |
Pilot Travel Centers ("PTC") [Member] | Service [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 264 |  |
Pilot Travel Centers ("PTC") [Member] | Electricity, Natural Gas and Fuel [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 48,774 |  |
Insurance, Corporate and Other [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Other revenues | 96,091 | 82,803 | 75,182
Total revenues | $ 96,091 | $ 82,803 | $ 75,182

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
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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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