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Debt Security, Held-To-Maturity, Sold, Realized Loss

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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INVESTMENTS - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
INVESTMENTS - Narrative (Details) $ in Millions	Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Fair Value	$ 34,445		$ 34,445		$ 34,573
Short-term investments	2,503		2,503		2,994
Aggregate market value of investments in unrealized loss position	16,873		16,873		11,953
Gross unrealized losses on investments in unrealized loss position	749		749		619
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	148		148		70
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	601		601		549
Additional contractual commitments	2,500		2,500
Cash surrender value of life insurance	$ 2,000		$ 2,000		$ 1,900
Number of securities held as primary beneficiary \| security	0		0		0
Held to maturity, carrying amount, net	$ 0		$ 0		$ 11
Realized losses	0	$ 0	0	$ 1	1
Canadian And Colombian Commercial Retail Insurance Operations
Debt Securities, Available-for-Sale [Line Items]
Fair Value					163
Short-term investments					12
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Fixed maturities - available for sale, at fair value and Short-term investments	141		141
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Short-term investments
Debt Securities, Available-for-Sale [Line Items]
Fixed maturities - available for sale, at fair value and Short-term investments	41		41
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Everest Canada \| Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Fixed maturities - available for sale, at fair value and Short-term investments	117		117
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Everest Canada \| Short-term investments
Debt Securities, Available-for-Sale [Line Items]
Fixed maturities - available for sale, at fair value and Short-term investments	41		41
Partnership Interest
Debt Securities, Available-for-Sale [Line Items]
Maximum exposure to loss	4,100		4,100		3,900
Variable Interest Entity, Not Primary Beneficiary
Debt Securities, Available-for-Sale [Line Items]
Commitments to fund investments	1,300		1,300
Investment Grade
Debt Securities, Available-for-Sale [Line Items]
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	144		144		66
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	595		595		540
Fixed maturities
Debt Securities, Available-for-Sale [Line Items]
Fair Value	2,800		2,800		2,500
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation					70
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	$ 601		$ 601		$ 549
Issuer One \| Investments, Debt Securities Benchmark \| Issuer
Debt Securities, Available-for-Sale [Line Items]
Percentage of overall fair value of fixed maturity securities available for sale, less than			2.00%		1.70%
Issuer Two \| Investments, Debt Securities Benchmark \| Issuer
Debt Securities, Available-for-Sale [Line Items]
Percentage of overall fair value of fixed maturity securities available for sale, less than			1.00%		0.20%