Percentage of economic interest held in a subsidiary or sister company

No definition available.

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- Definition

Number Of Shares Available For Exchange

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage Of Loans Receivable, Fair Value Disclosure

+ References

No definition available.

+ Details

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- Definition

Stock Repurchase Program, Additional Shares Received

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 25
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481138/505-30-25-5

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
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-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Balance Type:	credit
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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(i)(2))
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-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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-Topic 505
-SubTopic 10
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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- Details

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- Details

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- Details

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SUBSEQUENT EVENTS (Details) - USD ($) $ in Millions						3 Months Ended		6 Months Ended		12 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jul. 29, 2025	Jul. 10, 2025	Jul. 02, 2025	Jun. 16, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Feb. 13, 2025	Feb. 05, 2024	Jun. 24, 2021
Subsequent Event [Line Items]
Aggregate amount of share repurchases authorized											$ 1,500	$ 1,300
Shares repurchased (in shares)						2,400,000	3,200,000	4,700,000	6,400,000
Revolving Credit Facility \| Holdings Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity													$ 1,500
Accelerated Share Repurchase Agreement June And Terminated July [Member]
Subsequent Event [Line Items]
Aggregate amount of share repurchases authorized						$ 96		$ 96
Alliance Bernstein
Subsequent Event [Line Items]
Available for exchange, shares						4,800,000		4,800,000
Economic interest in Subsidiary								69.00%		62.00%
RGA Reinsurance Company \| Alliance Bernstein
Subsequent Event [Line Items]
Economic interest in Subsidiary					70.00%
Subsequent Event \| Revolving Credit Facility \| Holdings Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 1,000
Debt instrument, term		5 years
Subsequent Event \| Accelerated Share Repurchase Agreement June And Terminated July [Member]
Subsequent Event [Line Items]
Pre-payment of share repurchases				$ 96
Shares repurchased (in shares)				1,400,000
Additional shares received (in shares)				441,333
Subsequent Event \| Alliance Bernstein
Subsequent Event [Line Items]
Available for exchange, shares			19,700,000
Economic interest in Subsidiary			68.60%
Subsequent Event \| RGA Reinsurance Company
Subsequent Event [Line Items]
Percentage of loans receivable, fair value disclosure	75.00%