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Schedule I - Summary of Investments Other Than investments in Related Parties | 12 Months Ended
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Dec. 31, 2017
Summary of Investments, Other than Investments in Related Parties [Abstract] |
Schedule I - Summary of Investments Other Than investments in Related Parties | PRUDENTIAL FINANCIAL, INC. Schedule I Summary of Investments Other Than Investments in Related Parties As of December 31, 2017 (in millions)
Type of Investment |  | Amortized Cost or Cost(1) |  | Fair Value |  | Amount Shown in the Balance Sheet
Fixed maturities, available-for-sale: |  |  |  |  |  |
Bonds: |  |  |  |  |  |
U.S. Treasury securities and obligations of U.S. government authorities and agencies |  | $ | 22,837 |  |  | $ | 26,138 |  |  | $ | 26,138 |
Obligations of U.S. states and their political subdivisions |  | 9,366 |  |  | 10,471 |  |  | 10,471 |
Foreign governments |  | 88,062 |  |  | 103,419 |  |  | 103,419 |
Asset-backed securities |  | 11,965 |  |  | 12,233 |  |  | 12,233 |
Residential mortgage-backed securities |  | 3,491 |  |  | 3,645 |  |  | 3,645 |
Commercial mortgage-backed securities |  | 13,134 |  |  | 13,281 |  |  | 13,281 |
Public utilities |  | 26,169 |  |  | 28,723 |  |  | 28,723 |
Certificates of deposit |  | 30 |  |  | 31 |  |  | 31 |
All other corporate bonds |  | 136,805 |  |  | 148,250 |  |  | 148,250 |
Redeemable preferred stock |  | 526 |  |  | 589 |  |  | 589 |
Total fixed maturities, available-for-sale |  | $ | 312,385 |  |  | $ | 346,780 |  |  | $ | 346,780 |
Fixed maturities, held-to-maturity: |  |  |  |  |  |
Bonds: |  |  |  |  |  |
Foreign governments |  | $ | 865 |  |  | $ | 1,130 |  |  | $ | 865 |
Residential mortgage-backed securities |  | 446 |  |  | 478 |  |  | 446 |
Commercial mortgage-backed securities |  | 0 |  |  | 0 |  |  | 0 |
All other corporate bonds |  | 738 |  |  | 822 |  |  | 738 |
Total fixed maturities, held-to-maturity |  | $ | 2,049 |  |  | $ | 2,430 |  |  | $ | 2,049 |
Equity securities: |  |  |  |  |  |
Common Stocks: |  |  |  |  |  |
Public utilities |  | $ | 93 |  |  | $ | 117 |  |  | $ | 117 |
Banks, trust and insurance companies |  | 929 |  |  | 1,428 |  |  | 1,428 |
Industrial, miscellaneous and other |  | 3,109 |  |  | 4,612 |  |  | 4,612 |
Nonredeemable preferred stocks |  | 16 |  |  | 17 |  |  | 17 |
Total equity securities, available-for-sale |  | $ | 4,147 |  |  | $ | 6,174 |  |  | $ | 6,174 |
Trading account assets supporting insurance liabilities(2)(3) |  | $ | 22,097 |  |  |  |  | $ | 22,097 |
Other trading account assets(2) |  | 5,752 |  |  |  |  | 5,752 |
Commercial mortgage and other loans(4) |  | 56,045 |  |  |  |  | 56,045 |
Policy loans |  | 11,891 |  |  |  |  | 11,891 |
Short-term investments |  | 6,775 |  |  |  |  | 6,775 |
Other long-term investments |  | 12,308 |  |  |  |  | 12,308 |
Total investments |  | $ | 433,449 |  |  |  |  | $ | 469,871 |
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(1) | Original cost of equities reduced by impairment and, as to fixed maturities, original cost reduced by repayments and impairments and adjusted for amortization of premiums and accretion of discounts.
(2) | At fair value.
(3) | See Note 4 to the Consolidated Financial Statements for the composition of the Company’s “Trading account assets supporting insurance liabilities, at fair value.”
(4) | At carrying value, net of allowance for losses. Includes commercial mortgage and agricultural properties loans and other collateralized loans of $55,387 million and uncollateralized loans of $658 million.

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- Definition The entire disclosure for the schedule applicable to insurance companies summarizing investments held as of the most recent audited balance sheet. At a minimum, such summary is by three major categories of investments including: (1) fixed maturities primarily consisting of bonds, including convertibles and bonds with warrants, and redeemable preferred stocks, (2) equity securities primarily consisting of common stocks and nonredeemable preferred stocks, and (3) other investments including mortgage loans on real estate, real estate held for investment, real estate acquired in satisfaction of debt, policy loans, other long-term investments, and short-term investments not otherwise categorized. The information provided with respect to each item within each category includes: (A) the original cost of equity securities and, as to fixed maturity securities, original cost reduced by repayments and adjusted for amortization of premiums or accrual of discounts, (B) fair value as of the reporting date, and (C) the amount at which the item within each category is shown in the statement of financial position; with respect to (C), if the amount at which shown in the statement of financial position is different from the items original [amortized] cost or fair value, an explanation of the difference may be included herein. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=4738149 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 325 -URI http://asc.fasb.org/subtopic&trid=4738175 + Details
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