XML 46 R35.htm IDEA: XBRL DOCUMENT v3.24.2
Segment Reporting Disclosures (Company's Segment Disclosures) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Segment Reporting Information [Line Items]        
Earned premiums $ 2,077,099 $ 2,031,143 $ 4,204,726 $ 3,998,847
Net investment income 223,061 169,693 441,330 329,028
Net investment gains (losses) (130,017) 484,527 772,264 857,090
Products revenues 847,219 784,882 1,448,059 1,362,808
Services and other revenues 684,481 672,291 1,302,119 1,238,152
Operating revenues 3,701,843 4,142,536 8,168,498 7,785,925
Losses and loss adjustment expenses, current accident year (1,376,850) (1,255,767) (2,741,620) (2,500,098)
Losses and loss adjustment expenses, prior accident year 144,275 67,891 221,298 139,208
Amortization of policy acquisition costs (421,639) (438,719) (856,226) (860,851)
Other underwriting expenses (288,656) (259,168) (592,821) (512,741)
Products expenses (693,693) (651,469) (1,216,940) (1,167,225)
Services and other expenses (611,063) (590,817) (1,147,901) (1,071,436)
Amortization of acquired intangible assets (44,237) (44,423) (88,522) (88,822)
Operating Income 409,980 970,064 1,745,766 1,723,960
Interest expense (52,597) (47,221) (98,145) (96,659)
Net foreign exchange gains (losses) 8,711 (14,976) 60,211 (47,904)
Income (Loss) before income taxes 366,094 907,867 1,707,832 1,579,397
Insurance [Member]        
Segment Reporting Information [Line Items]        
Earned premiums 1,813,003 1,763,186 3,687,464 3,474,110
Net investment income 0 0 0 0
Net investment gains (losses) 0 0 0 0
Products revenues 0 0 0 0
Services and other revenues 0 0 0 0
Operating revenues 1,813,003 1,763,186 3,687,464 3,474,110
Losses and loss adjustment expenses, current accident year (1,191,955) (1,079,450) (2,393,510) (2,156,996)
Losses and loss adjustment expenses, prior accident year 146,603 61,562 243,784 124,190
Amortization of policy acquisition costs (358,158) (367,145) (731,936) (727,499)
Other underwriting expenses (276,314) (243,502) (565,313) (482,650)
Products expenses 0 0 0 0
Services and other expenses 0 0 0 0
Operating Income 133,179 134,651 240,489 231,155
Reinsurance [Member]        
Segment Reporting Information [Line Items]        
Earned premiums 264,630 268,288 517,969 525,522
Net investment income 0 0 0 0
Net investment gains (losses) 0 0 0 0
Products revenues 0 0 0 0
Services and other revenues 0 0 0 0
Operating revenues 264,630 268,288 517,969 525,522
Losses and loss adjustment expenses, current accident year (184,895) (176,317) (348,110) (343,102)
Losses and loss adjustment expenses, prior accident year (2,414) 7,974 (5,812) 16,678
Amortization of policy acquisition costs (63,481) (71,574) (124,290) (133,352)
Other underwriting expenses (12,519) (13,187) (26,426) (26,328)
Products expenses 0 0 0 0
Services and other expenses 0 0 0 0
Operating Income 1,321 15,184 13,331 39,418
Investing [Member]        
Segment Reporting Information [Line Items]        
Earned premiums 0 0 0 0
Net investment income 220,454 168,927 437,658 327,521
Net investment gains (losses) (130,017) 484,527 772,264 857,090
Products revenues 0 0 0 0
Services and other revenues 9,357 (6,378) 30,203 (8,758)
Operating revenues 99,794 647,076 1,240,125 1,175,853
Losses and loss adjustment expenses, current accident year 0 0 0 0
Losses and loss adjustment expenses, prior accident year 0 0 0 0
Amortization of policy acquisition costs 0 0 0 0
Other underwriting expenses 0 0 0 0
Products expenses 0 0 0 0
Services and other expenses 0 0 0 0
Operating Income 99,794 647,076 1,240,125 1,175,853
Markel Ventures [Member]        
Segment Reporting Information [Line Items]        
Earned premiums 0 0 0 0
Net investment income 2,607 766 3,672 1,507
Net investment gains (losses) 0 0 0 0
Products revenues 847,219 784,882 1,448,059 1,362,808
Services and other revenues 603,955 600,931 1,142,656 1,126,944
Operating revenues 1,453,781 1,386,579 2,594,387 2,491,259
Losses and loss adjustment expenses, current accident year 0 0 0 0
Losses and loss adjustment expenses, prior accident year 0 0 0 0
Amortization of policy acquisition costs 0 0 0 0
Other underwriting expenses 0 0 0 0
Products expenses (693,693) (651,469) (1,216,940) (1,167,225)
Services and other expenses (582,590) (565,060) (1,096,034) (1,061,806)
Operating Income 177,498 170,050 281,413 262,228
Other Insurance Operations [Member]        
Segment Reporting Information [Line Items]        
Earned premiums (534) (331) (707) (785)
Net investment income 0 0 0 0
Net investment gains (losses) 0 0 0 0
Products revenues 0 0 0 0
Services and other revenues 71,169 77,738 129,260 119,966
Operating revenues 70,635 77,407 128,553 119,181
Losses and loss adjustment expenses, current accident year 0 0 0 0
Losses and loss adjustment expenses, prior accident year 86 (1,645) (16,674) (1,660)
Amortization of policy acquisition costs 0 0 0 0
Other underwriting expenses 177 (2,479) (1,082) (3,763)
Products expenses 0 0 0 0
Services and other expenses (28,473) (25,757) (51,867) (9,630)
Operating Income 42,425 47,526 58,930 104,128
Corporate [Member]        
Segment Reporting Information [Line Items]        
Earned premiums 0 0 0 0
Net investment income 0 0 0 0
Net investment gains (losses) 0 0 0 0
Products revenues 0 0 0 0
Services and other revenues 0 0 0 0
Operating revenues 0 0 0 0
Losses and loss adjustment expenses, current accident year 0 0 0 0
Losses and loss adjustment expenses, prior accident year 0 0 0 0
Amortization of policy acquisition costs 0 0 0 0
Other underwriting expenses 0 0 0 0
Products expenses 0 0 0 0
Services and other expenses 0 0 0 0
Amortization of acquired intangible assets (44,237) (44,423) (88,522) (88,822)
Operating Income $ (44,237) $ (44,423) $ (88,522) $ (88,822)