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v3.25.3

Debt - Schedule of Selected Information about Debt Issues (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
Debt Instrument [Line Items] |  |  |
Long-term debt, par value, gross | $ 2,350,000,000 |  |
Total short-term debt, par value | 396,000,000 |  |
Total debt, par value | 2,746,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (23,641,000) |  |
Unamortized issuance cost | (6,346,000) |  |
Unamortized discount & issuance costs, noncurrent, net | (29,987,000) |  |
Unamortized discount & issuance costs, current | (1,651,000) |  |
Total debt, unamortized discount & issuance costs, | (31,638,000) |  |
Debt | 2,326,359,000 | $ 2,324,251,000 |
Long-term debt | 2,320,013,000 | 2,324,251,000 |
Total short-term debt, book value | 394,349,000 | 415,401,000 |
Total debt, book value | 2,714,362,000 | 2,739,652,000 |
Long-term debt, gross, fair value | 2,202,688,000 |  |
Fair Value | 2,196,342,000 |  |
Total short-term debt, fair value | 394,349,000 |  |
Total debt, fair value | 2,590,691,000 |  |
Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Total short-term debt, par value | 0 |  |
Unamortized discount & issuance costs, current | 0 |  |
Total short-term debt, book value | 0 | 0 |
Total short-term debt, fair value | 0 |  |
FHLB borrowings |  |  |
Debt Instrument [Line Items] |  |  |
Total short-term debt, par value | 65,000,000 |  | $ 17,000,000
Unamortized discount & issuance costs, current | 0 |  |
Total short-term debt, book value | 65,000,000 | 0 |
Total short-term debt, fair value | 65,000,000 |  |
Commercial paper |  |  |
Debt Instrument [Line Items] |  |  |
Total short-term debt, par value | 331,000,000 |  |
Unamortized discount & issuance costs, current | (1,651,000) |  |
Total short-term debt, book value | 329,349,000 | 415,401,000 |
Total short-term debt, fair value | $ 329,349,000 |  |
Senior Notes Due 2028 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 4.55% |  |
Long-term debt, par value, gross | $ 550,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (2,439,000) |  |
Debt | 547,561,000 | 546,999,000 |
Long-term debt, gross, fair value | $ 554,846,000 |  |
Senior Notes Due 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 2.15% |  |
Long-term debt, par value, gross | $ 400,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (2,514,000) |  |
Debt | 397,486,000 | 397,132,000 |
Long-term debt, gross, fair value | $ 359,436,000 |  |
Senior Notes Due 2032 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 4.80% |  |
Long-term debt, par value, gross | $ 250,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (3,413,000) |  |
Debt | 246,587,000 | 246,272,000 |
Long-term debt, gross, fair value | 251,192,000 |  |
Senior Notes Due 2032 | Consolidation Eliminations | Subsidiaries |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, net, book value | $ 150,000,000 |  |
Senior Notes Due 2034 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 5.85% |  |
Long-term debt, par value, gross | $ 450,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (4,883,000) |  |
Debt | 445,117,000 | 444,814,000 |
Long-term debt, gross, fair value | $ 472,325,000 |  |
Junior Subordinated Debentures Due 2057 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 5.275% |  |
Long-term debt, par value, gross | $ 125,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (1,543,000) |  |
Debt | 123,457,000 | 123,443,000 |
Long-term debt, gross, fair value | $ 100,389,000 |  |
Basis spread | 1.35% |  |
Junior Subordinated Debentures Due 2061 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 4.25% |  |
Long-term debt, par value, gross | $ 325,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (7,549,000) |  |
Debt | 317,451,000 | 317,387,000 |
Long-term debt, gross, fair value | $ 215,800,000 |  |
Term Loan Due 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Coupon Rate | 5.67% |  |
Long-term debt, par value, gross | $ 250,000,000 |  |
Unamortized discount & issuance costs, noncurrent, gross | (1,300,000) |  |
Debt | 248,700,000 | $ 248,204,000 |
Long-term debt, gross, fair value | $ 248,700,000 |  |

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