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Fair Value of Assets and Liabilities (Balances of Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale | [1] | $ 378,596 | $ 412,905
Assets supporting experience-rated contractholder liabilities | [1] | 24,027 | 24,115
Fixed maturities, trading | [1] | 6,202 | 3,914
Equity securities | [1] | 8,492 | 8,135
Commercial mortgage and other loans | [1] | 64,554 | 65,425
Other invested assets | [1] | 18,863 | 18,125
Other assets | [1] | 22,567 | 22,801
Separate account assets |  | 326,443 | 327,277
TOTAL ASSETS |  | 907,280 | 940,722
Future policy benefits |  | 290,536 | 306,343
Other liabilities | [1] | 19,855 | 20,323
Total liabilities |  | 848,504 | 872,512
Netting |  | (12,532) | (21,367)
Embedded Derivative, Fair Value of Embedded Derivative, Net Liability |  | 12,907 | 20,119
Debt Securities, Available-for-sale, Amortized Cost |  | 341,122 | 354,470
Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 378,596 | 412,905
Assets supporting experience-rated contractholder liabilities |  | 21,302 | 21,414
Debt Securities, Available-for-sale, Amortized Cost |  | 341,122 | 354,470
Future policy benefits |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Embedded Derivative, Fair Value of Embedded Derivative, Net Liability |  | 11,300 | 18,900
Embedded Derivative, Fair Value Of Embedded Derivative Gross Asset |  | 800 | 500
Embedded Derivative, Fair Value Of Embedded Derivative Gross Liability |  | 12,100 | 19,400
U.S. Treasury securities and obligations of U.S. government authorities and agencies | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 27,628 | 40,448
Debt Securities, Available-for-sale, Amortized Cost |  | 23,400 | 30,766
Obligations of U.S. states and their political subdivisions | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 12,089 | 12,811
Debt Securities, Available-for-sale, Amortized Cost |  | 10,491 | 10,668
Foreign government bonds | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 102,484 | 110,244
Assets supporting experience-rated contractholder liabilities |  | 996 | 945
Debt Securities, Available-for-sale, Amortized Cost |  | 89,084 | 94,110
U.S. public corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 105,975 | 113,555
Debt Securities, Available-for-sale, Amortized Cost |  | 95,495 | 95,299
U.S. private corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 39,348 | 40,937
Debt Securities, Available-for-sale, Amortized Cost |  | 36,904 | 36,894
Foreign public corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 28,440 | 29,537
Debt Securities, Available-for-sale, Amortized Cost |  | 25,892 | 25,857
Foreign private corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 30,479 | 31,592
Debt Securities, Available-for-sale, Amortized Cost |  | 28,772 | 28,668
Corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 15,130 | 15,472
Asset-backed securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 13,635 | 14,591
Assets supporting experience-rated contractholder liabilities |  | 2,066 | 1,697
Debt Securities, Available-for-sale, Amortized Cost |  | 13,470 | 14,489
Commercial mortgage-backed securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 15,425 | 16,303
Assets supporting experience-rated contractholder liabilities |  | 1,773 | 1,839
Debt Securities, Available-for-sale, Amortized Cost |  | 14,673 | 15,036
Residential mortgage-backed securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 3,093 | 2,887
Assets supporting experience-rated contractholder liabilities |  | 915 | 1,018
Debt Securities, Available-for-sale, Amortized Cost |  | 2,941 | 2,683
Fair Value, Measurements, Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 378,596 | 412,905
Assets supporting experience-rated contractholder liabilities |  | 23,996 | 24,076
Fixed maturities, trading |  | 6,202 | 3,914
Equity securities |  | 8,348 | 7,998
Commercial mortgage and other loans |  | 500 | 1,092
Other invested assets |  | 2,225 | 2,271
Short-term investments |  | 4,304 | 6,310
Cash equivalents |  | 7,001 | 5,482
Other assets |  | 144 | 268
Separate account assets |  | 302,905 | 304,270
TOTAL ASSETS |  | 734,221 | 768,586
Future policy benefits |  | 11,314 | 18,879
Policyholders' account balances |  | 2,171 | 1,914
Other liabilities |  | 1,155 | 385
Notes issued by consolidated VIEs |  | 0 | 0
Total liabilities |  | 14,640 | 21,178
Assets Netting |  | (12,532) | (21,367)
Liabilities Netting |  | (18,781) | (17,475)
Netting |  | 6,249 | (3,892)
Fair Value, Measurements, Recurring | Other invested assets |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets Netting |  | (12,532) | (21,367)
Fair Value, Measurements, Recurring | Other liabilities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Liabilities Netting |  | (18,781) | (17,475)
Fair Value, Measurements, Recurring | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 27,628 | 40,448
Assets supporting experience-rated contractholder liabilities |  | 209 | 212
Fair Value, Measurements, Recurring | Obligations of U.S. states and their political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 12,089 | 12,811
Assets supporting experience-rated contractholder liabilities |  | 213 | 231
Fair Value, Measurements, Recurring | Foreign government bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 102,484 | 110,244
Assets supporting experience-rated contractholder liabilities |  | 996 | 945
Fair Value, Measurements, Recurring | U.S. public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 105,975 | 113,555
Fair Value, Measurements, Recurring | U.S. private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 39,348 | 40,937
Fair Value, Measurements, Recurring | Foreign public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 28,440 | 29,537
Fair Value, Measurements, Recurring | Foreign private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 30,479 | 31,592
Fair Value, Measurements, Recurring | Corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 15,130 | 15,472
Fair Value, Measurements, Recurring | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 13,635 | 14,591
Assets supporting experience-rated contractholder liabilities |  | 2,066 | 1,697
Fair Value, Measurements, Recurring | Commercial mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 15,425 | 16,303
Assets supporting experience-rated contractholder liabilities |  | 1,773 | 1,839
Fair Value, Measurements, Recurring | Residential mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 3,093 | 2,887
Assets supporting experience-rated contractholder liabilities |  | 915 | 1,018
Fair Value, Measurements, Recurring | Equity securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 2,296 | 2,043
Fair Value, Measurements, Recurring | All other |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 398 | 619
Fair Value, Measurements, Recurring | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 911 | 1,834
Fixed maturities, trading |  | 0 | 0
Equity securities |  | 6,370 | 6,207
Commercial mortgage and other loans |  | 0 | 0
Other invested assets |  | 99 | 227
Short-term investments |  | 409 | 405
Cash equivalents |  | 1,640 | 1,476
Other assets |  | 0 | 0
Separate account assets |  | 54,579 | 51,826
TOTAL ASSETS |  | 64,008 | 61,975
Future policy benefits |  | 0 | 0
Policyholders' account balances |  | 0 | 0
Other liabilities |  | 85 | 32
Notes issued by consolidated VIEs |  | 0 | 0
Total liabilities |  | 85 | 32
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Obligations of U.S. states and their political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Foreign government bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Foreign public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Foreign private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Commercial mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Residential mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 0 | 0
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Equity securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 911 | 1,784
Fair Value, Measurements, Recurring | Level 1 | All other |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 | 50
Fair Value, Measurements, Recurring | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 372,324 | 406,862
Assets supporting experience-rated contractholder liabilities |  | 22,289 | 21,607
Fixed maturities, trading |  | 5,960 | 3,671
Equity securities |  | 1,250 | 1,131
Commercial mortgage and other loans |  | 500 | 1,092
Other invested assets |  | 14,280 | 23,045
Short-term investments |  | 3,499 | 5,728
Cash equivalents |  | 5,357 | 4,005
Other assets |  | 0 | 0
Separate account assets |  | 247,020 | 250,623
TOTAL ASSETS |  | 672,479 | 717,764
Future policy benefits |  | 0 | 0
Policyholders' account balances |  | 0 | 0
Other liabilities |  | 19,851 | 17,828
Notes issued by consolidated VIEs |  | 0 | 0
Total liabilities |  | 19,851 | 17,828
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 27,478 | 40,298
Assets supporting experience-rated contractholder liabilities |  | 209 | 212
Fair Value, Measurements, Recurring | Level 2 | Obligations of U.S. states and their political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 12,085 | 12,807
Assets supporting experience-rated contractholder liabilities |  | 213 | 231
Fair Value, Measurements, Recurring | Level 2 | Foreign government bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 102,473 | 110,233
Assets supporting experience-rated contractholder liabilities |  | 977 | 926
Fair Value, Measurements, Recurring | Level 2 | U.S. public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 105,911 | 113,486
Fair Value, Measurements, Recurring | Level 2 | U.S. private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 37,146 | 38,689
Fair Value, Measurements, Recurring | Level 2 | Foreign public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 28,296 | 29,384
Fair Value, Measurements, Recurring | Level 2 | Foreign private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 27,612 | 28,727
Fair Value, Measurements, Recurring | Level 2 | Corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 14,592 | 14,990
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 12,926 | 14,068
Assets supporting experience-rated contractholder liabilities |  | 1,847 | 1,583
Fair Value, Measurements, Recurring | Level 2 | Commercial mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 15,415 | 16,294
Assets supporting experience-rated contractholder liabilities |  | 1,773 | 1,839
Fair Value, Measurements, Recurring | Level 2 | Residential mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 2,982 | 2,876
Assets supporting experience-rated contractholder liabilities |  | 915 | 1,018
Fair Value, Measurements, Recurring | Level 2 | Equity securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 1,385 | 259
Fair Value, Measurements, Recurring | Level 2 | All other |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 378 | 549
Fair Value, Measurements, Recurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 6,272 | 6,043
Assets supporting experience-rated contractholder liabilities |  | 796 | 635
Fixed maturities, trading |  | 242 | 243
Equity securities |  | 728 | 660
Commercial mortgage and other loans |  | 0 | 0
Other invested assets |  | 378 | 366
Short-term investments |  | 396 | 177
Cash equivalents |  | 4 | 1
Other assets |  | 144 | 268
Separate account assets |  | 1,306 | 1,821
TOTAL ASSETS |  | 10,266 | 10,214
Future policy benefits |  | 11,314 | 18,879
Policyholders' account balances |  | 2,171 | 1,914
Other liabilities |  | 0 | 0
Notes issued by consolidated VIEs |  | 0 | 0
Total liabilities |  | 13,485 | 20,793
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 150 | 150
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Obligations of U.S. states and their political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 4 | 4
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Foreign government bonds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 11 | 11
Assets supporting experience-rated contractholder liabilities |  | 19 | 19
Fair Value, Measurements, Recurring | Level 3 | U.S. public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 64 | 69
Fair Value, Measurements, Recurring | Level 3 | U.S. private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 2,202 | 2,248
Fair Value, Measurements, Recurring | Level 3 | Foreign public corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 144 | 153
Fair Value, Measurements, Recurring | Level 3 | Foreign private corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 2,867 | 2,865
Fair Value, Measurements, Recurring | Level 3 | Corporate securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 538 | 482
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 709 | 523
Assets supporting experience-rated contractholder liabilities |  | 219 | 114
Fair Value, Measurements, Recurring | Level 3 | Commercial mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 10 | 9
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Residential mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 111 | 11
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Equity securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | All other |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets supporting experience-rated contractholder liabilities |  | 20 | 20
Prudential Netting Agreement | U.S. private corporate securities | Fixed maturities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fixed maturities, available-for-sale |  | 5,774 | 6,100
Debt Securities, Available-for-sale, Amortized Cost |  | 5,766 | 5,966
Other invested assets |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value investment measured at NAV per share |  | 4,379 | 4,136
Separate account assets |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value investment measured at NAV per share |  | $ 23,538 | $ 23,007
[1] | See Note 4 for details of balances associated with variable interest entities.

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- Definition This item represents marketable and other securities categorized as trading securities and equity securities no longer categorized as of the balance sheet date that support certain products which are experience rated, meaning that it is expected the investment results associated with these products will ultimately accrue to contractholders. + References No definition available. + Details
Name: | pru_Assetssupportingexperienceratedcontractholderliabilitiesatfairvalue
Namespace Prefix: | pru_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Fair Value, Liabilities Measured on Recurring Basis - notes of consolidated Variable Interest Entities (VIEs) + References No definition available. + Details
Name: | pru_FairValueLiabilitiesMeasuredOnRecurringBasisNotesOfConsolidatedVies
Namespace Prefix: | pru_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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