XML 96 R48.htm IDEA: XBRL DOCUMENT v3.21.2
Fair Value Measurements - Fair Value by Hierarchy (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale $ 44,023 $ 45,035
Equity securities, at fair value 1,693 1,438
Derivative assets 14 23
Short-term investments 3,398 3,283
Total assets accounted for at fair value on a recurring basis 49,128 49,779
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (59) (84)
Total liabilities accounted for at fair value on a recurring basis (59) (84)
Credit derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 13 21
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (2)  
Foreign exchange derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets   1
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (4) (14)
Interest rate derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 1 1
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (53) (70)
Asset backed securities ("ABS")    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 1,321 1,564
Collateralized Loan Obligations [Member]    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 3,100 2,780
CMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 4,095 4,484
Corporate    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 19,161 20,273
Foreign government/government agencies    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 873 919
Municipal    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 9,161 9,503
RMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 3,520 4,107
U.S. Treasuries    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 2,792 1,405
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 250 529
Equity securities, at fair value 1,061 872
Derivative assets 0 0
Short-term investments 2,204 2,663
Total assets accounted for at fair value on a recurring basis 3,515 4,064
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Total liabilities accounted for at fair value on a recurring basis 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Credit derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 0 0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0  
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Foreign exchange derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets   0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Interest rate derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 0 0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Asset backed securities ("ABS")    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Collateralized Loan Obligations [Member]    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | CMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Corporate    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Foreign government/government agencies    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | Municipal    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | RMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1) | U.S. Treasuries    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 250 529
Significant
Observable
Inputs
(Level 2)    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 41,855 42,801
Equity securities, at fair value 558 496
Derivative assets 14 23
Short-term investments 1,176 590
Total assets accounted for at fair value on a recurring basis 43,603 43,910
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (59) (84)
Total liabilities accounted for at fair value on a recurring basis (59) (84)
Significant
Observable
Inputs
(Level 2) | Credit derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 13 21
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (2)  
Significant
Observable
Inputs
(Level 2) | Foreign exchange derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets   1
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (4) (14)
Significant
Observable
Inputs
(Level 2) | Interest rate derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 1 1
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities (53) (70)
Significant
Observable
Inputs
(Level 2) | Asset backed securities ("ABS")    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 1,307 1,564
Significant
Observable
Inputs
(Level 2) | Collateralized Loan Obligations [Member]    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 2,725 2,420
Significant
Observable
Inputs
(Level 2) | CMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 4,009 4,407
Significant
Observable
Inputs
(Level 2) | Corporate    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 18,020 19,392
Significant
Observable
Inputs
(Level 2) | Foreign government/government agencies    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 873 913
Significant
Observable
Inputs
(Level 2) | Municipal    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 9,161 9,503
Significant
Observable
Inputs
(Level 2) | RMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 3,218 3,726
Significant
Observable
Inputs
(Level 2) | U.S. Treasuries    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 2,542 876
Significant
Unobservable
Inputs
(Level 3)    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 1,918 1,705
Equity securities, at fair value 74 70
Derivative assets 0 0
Short-term investments 18 30
Total assets accounted for at fair value on a recurring basis 2,010 1,805
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Total liabilities accounted for at fair value on a recurring basis 0 0
Significant
Unobservable
Inputs
(Level 3) | Credit derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 0 0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0  
Significant
Unobservable
Inputs
(Level 3) | Foreign exchange derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets   0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Significant
Unobservable
Inputs
(Level 3) | Interest rate derivatives    
Assets accounted for at fair value on a recurring basis    
Derivative assets 0 0
Liabilities accounted for at fair value on a recurring basis    
Derivative liabilities 0 0
Significant
Unobservable
Inputs
(Level 3) | Asset backed securities ("ABS")    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 14 0
Significant
Unobservable
Inputs
(Level 3) | Collateralized Loan Obligations [Member]    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 375 360
Significant
Unobservable
Inputs
(Level 3) | CMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 86 77
Significant
Unobservable
Inputs
(Level 3) | Corporate    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 1,141 881
Significant
Unobservable
Inputs
(Level 3) | Foreign government/government agencies    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 6
Significant
Unobservable
Inputs
(Level 3) | Municipal    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Significant
Unobservable
Inputs
(Level 3) | RMBS    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 302 381
Significant
Unobservable
Inputs
(Level 3) | U.S. Treasuries    
Assets accounted for at fair value on a recurring basis    
Debt Securities, Available-for-sale 0 0
Fair Value Measured at Net Asset Value Per Share [Member]    
Liabilities accounted for at fair value on a recurring basis    
Deposit Assets $ 57 $ 54