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Consolidated Statements of Earnings - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Revenues: |  |  |
Leasing revenues |  | $ 2,222 | $ 2,044
Total revenues |  | 89,869 | 85,393
Investment gains (losses) |  | 1,876 | 34,758
Costs and expenses: |  |  |
Total costs and expenses |  | 76,532 | 76,087
Earnings before income taxes and equity method earnings |  | 15,213 | 44,064
Equity method earnings |  | 493 | 688
Earnings before income taxes |  | 15,706 | 44,752
Income tax expense |  | 2,874 | 8,995
Net earnings |  | 12,832 | 35,757
Earnings attributable to noncontrolling interests |  | 130 | 253
Net earnings attributable to Berkshire Hathaway shareholders |  | $ 12,702 | $ 35,504
Equivalent Class A [Member] |  |  |
Earnings per share: |  |  |
Net earnings per average equivalent |  | $ 8,825 | $ 24,377
Average equivalent shares outstanding |  | 1,439,370 | 1,456,438
Equivalent Class B [Member] |  |  |
Earnings per share: |  |  |
Net earnings per average equivalent | [1] | $ 5.88 | $ 16.25
Average equivalent shares outstanding |  | 2,159,055,134 | 2,184,657,109
Insurance and Other [Member] |  |  |
Revenues: |  |  |
Insurance premiums earned |  | $ 21,474 | $ 19,796
Sales and service revenues |  | 37,472 | 38,388
Leasing revenues |  | 2,222 | 2,044
Interest, dividend and other investment income |  | 4,305 | 3,229
Total revenues |  | 65,473 | 63,457
Costs and expenses: |  |  |
Insurance losses and loss adjustment expenses |  | 13,448 | 14,221
Life, annuity and health benefits |  | 945 | 785
Insurance underwriting expenses |  | 3,753 | 3,587
Cost of sales and services |  | 29,395 | 30,319
Cost of leasing |  | 1,691 | 1,477
Selling, general and administrative expenses |  | 4,773 | 5,602
Interest expense |  | 316 | 328
Total costs and expenses |  | 54,321 | 56,319
Railroad, Utilities and Energy [Member] |  |  |
Revenues: |  |  |
Freight rail transportation revenues |  | 5,637 | 6,001
Utility and energy operating revenues |  | 17,690 | 14,917
Service revenues and other income |  | 1,069 | 1,018
Total revenues |  | 24,396 | 21,936
Costs and expenses: |  |  |
Freight rail transportation expenses |  | 3,938 | 4,161
Utilities and energy cost of sales and other expenses |  | 16,268 | 13,846
Other expenses |  | 1,005 | 871
Interest expense |  | 1,000 | 890
Total costs and expenses |  | $ 22,211 | $ 19,768
[1] | Net earnings per average equivalent Class B share outstanding are equal to one-fifteen-hundredth of the equivalent Class A amount. See Note 19.

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