XML 114 R106.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Accumulated other comprehensive income (Detail) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance $ 561,273  
Ending Balance 601,697  
Unrealized gains (losses) on investments [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 190 $ (187)
Other comprehensive income (22) 174
Ending Balance 168 (13)
Foreign currency translation [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (5,393) (6,142)
Other comprehensive income (747) 592
Ending Balance (6,140) (5,550)
Long duration insurance contracts [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 1,353 1,541
Other comprehensive income 684 71
Ending Balance 2,037 1,612
Defined benefit pension plans [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (97) (552)
Other comprehensive income (1) 41
Ending Balance (98) (511)
Other AOCI transactions [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 184 288
Other comprehensive income (6) (66)
Ending Balance 178 222
Accumulated other comprehensive income [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (3,763) (5,052)
Other comprehensive income (92) 812
Ending Balance $ (3,855) $ (4,240)