Investments - Investments by Category, Including Disposal Groups (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Current
Current investments	$ 959	$ 1,056
Long-term
Investments per Consolidated Balance Sheets	19,037	18,471
Total
Total investments	19,996	19,527
Debt securities
Current
Current investments	549	691
Long-term
Investments per Consolidated Balance Sheets	7,901	7,671
Total
Total investments	8,450	8,362
Equity securities
Current
Current investments	17	22
Long-term
Investments per Consolidated Balance Sheets	3,756	3,534
Total
Total investments	3,773	3,556
Commercial mortgage loans
Current
Current investments	88	86
Long-term
Investments per Consolidated Balance Sheets	1,111	1,147
Total
Total investments	1,199	1,233
Policy loans
Current
Current investments	0	0
Long-term
Investments per Consolidated Balance Sheets	1,023	1,082
Total
Total investments	1,023	1,082
Other long-term investments
Current
Current investments	0	0
Long-term
Investments per Consolidated Balance Sheets	5,246	5,037
Total
Total investments	5,246	5,037
Short-term investments
Current
Current investments	305	257
Long-term
Investments per Consolidated Balance Sheets	0	0
Total
Total investments	$ 305	$ 257

Short-Term And Long-Term Investments

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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