v3.23.1
Lending Activities - Credit quality of commercial mortgages (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]    
Total $ 45,166 $ 39,884
Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 6,278 2,324
2021 2,777 2,357
2020 1,932 5,584
2019 5,227 5,156
2018 4,682 3,085
Prior 12,097 12,022
Total $ 32,993 $ 30,528
Weighted average debt service coverage ratio 1.9 1.9
Weighted average loan-to-value ratio (as a percent) 59.00% 57.00%
Less than 65% | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 $ 5,270 $ 1,859
2021 2,061 1,935
2020 1,515 3,912
2019 3,752 4,072
2018 2,666 2,384
Prior 9,205 8,264
Total 24,469 22,426
65% to 75% | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 973 304
2021 435 396
2020 391 1,672
2019 1,425 1,084
2018 1,356 340
Prior 1,184 2,814
Total 5,764 6,610
76% to 80% | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 35 0
2021 43 0
2020 0 0
2019 0 0
2018 70 188
Prior 218 259
Total 366 447
Greater than 80% | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 0 161
2021 238 26
2020 26 0
2019 50 0
2018 590 173
Prior 1,490 685
Total 2,394 1,045
Greater than 1.2X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 5,382 1,861
2021 2,043 1,520
2020 1,521 4,915
2019 4,832 3,300
2018 3,505 2,997
Prior 9,948 9,005
Total 27,231 23,598
1.00 - 1.20X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 859 463
2021 734 810
2020 388 598
2019 343 1,030
2018 470 88
Prior 1,088 1,684
Total 3,882 4,673
Less than 1.00X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
2022 37 0
2021 0 27
2020 23 71
2019 52 826
2018 707 0
Prior 1,061 1,333
Total $ 1,880 $ 2,257