SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Impact from Adoption on Statement of Earnings (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Revenues:
Net premium income		$ 15,263		$ 17,647		$ 18,622
Net investment income		3,656		3,818		3,638
Net investment gains (losses)		363		468		(270)
Total revenues		19,502		22,106		22,147
Benefits and expenses:
Benefits and claims, net		9,153		10,576		11,796
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs		1,152		1,170		1,214
Insurance commissions		1,117		1,256		1,316
Insurance and other expenses	[1]	3,250		3,544		3,420
Interest expense		226		238		242
Total acquisition and operating expenses		5,745		6,208		6,192
Total benefits and expenses		14,898		16,784		17,988
Income tax expense (benefit)		403		997		(619)
Net earnings		4,201		4,325		$ 4,778
Accounting Standards Update 2018-12 | Pro Forma
Revenues:
Net premium income		14,901	[2]	17,095	[3]
Net investment income		3,656		3,818
Net investment gains (losses)		363		468
Other income (loss)		220		173
Total revenues		19,140		21,554
Benefits and expenses:
Benefits and claims, excluding reserve remeasurement (gains) losses		9,102	[2],[4]	10,623	[3],[5]
Reserve remeasurement (gains) losses	[6]	(215)		(147)
Benefits and claims, net		8,887		10,476
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs	[7]	792		835
Insurance commissions		1,117		1,256
Insurance and other expenses		3,249	[8]	3,541	[9]
Interest expense		226		238
Total acquisition and operating expenses		5,384		5,870
Total benefits and expenses		14,271		16,346
Earnings before income taxes		4,869		5,208
Income tax expense (benefit)		451	[10]	977	[11]
Net earnings		4,418		4,231
Accounting Standards Update 2018-12 | As Reported | Pro Forma
Revenues:
Net premium income		15,263	[2]	17,647	[3]
Net investment income		3,656		3,818
Net investment gains (losses)		363		468
Other income (loss)		220		173
Total revenues		19,502		22,106
Benefits and expenses:
Benefits and claims, excluding reserve remeasurement (gains) losses		9,153	[2],[4]	10,576	[3],[5]
Reserve remeasurement (gains) losses	[6]	0		0
Benefits and claims, net		9,153		10,576
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs	[7]	1,152		1,170
Insurance commissions		1,117		1,256
Insurance and other expenses		3,250	[8]	3,544	[9]
Interest expense		226		238
Total acquisition and operating expenses		5,745		6,208
Total benefits and expenses		14,898		16,784
Earnings before income taxes		4,604		5,322
Income tax expense (benefit)		403	[10]	997	[11]
Net earnings		4,201		4,325
Accounting Standards Update 2018-12 | Adoption Impacts | Pro Forma
Revenues:
Net premium income		(362)	[2]	(552)	[3]
Net investment income		0		0
Net investment gains (losses)		0		0
Other income (loss)		0		0
Total revenues		(362)		(552)
Benefits and expenses:
Benefits and claims, excluding reserve remeasurement (gains) losses		(51)	[2],[4]	47	[3],[5]
Reserve remeasurement (gains) losses	[6]	(215)		(147)
Benefits and claims, net		(266)		(100)
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs	[7]	(360)		(335)
Insurance commissions		0		0
Insurance and other expenses		(1)	[8]	(3)	[9]
Interest expense		0		0
Total acquisition and operating expenses		(361)		(338)
Total benefits and expenses		(627)		(438)
Earnings before income taxes		265		(114)
Income tax expense (benefit)		48	[10]	(20)	[11]
Net earnings		$ 217		$ (94)

[1] Includes expense of $48 in 2021 and $15 in 2020 for the early extinguishment of debt.

[2] Adjustment reflects a $324 increase in the deferred profit liability on limited-payment products under the updated standard combined with the reclassification of a $38 increase in deferred profit liability previously reported in benefits and claims and reclassified to net earned premiums in conjunction with adoption of the updated standard.

[3] Adjustment reflects a $489 increase in the deferred profit liability on limited-payment products under the updated standard combined with the reclassification of a $63 increase in deferred profit liability previously reported in benefits and claims and reclassified to net earned premiums in conjunction with adoption of the updated standard.

[4] Adjustment reflects 2022 activity for the effect of calculating benefits using revised net premium ratios and best estimate future cash flow projections, excluding reserve remeasurement impacts.

[5] Adjustment reflects 2021 activity for the effect of calculating benefits using revised net premium ratios and best estimate future cash flow projections, excluding reserve remeasurement impacts.

[6] Adjustment reflects the reserve remeasurement on the liability for future policy benefits due to applying revised net premium ratios based on updated historical actuals and revised assumptions to past periods each quarter under the updated standard.

[7] Adjustment reflects a decrease in DAC amortization due to DAC assets being amortized over the expected life of a contract and no interest accretion recorded under the updated standard.

[8] Adjustment reflects 2022 activity for the change in accrued claim adjustment expenses that are included in benefits and claims as a component of the integrated reserve under the updated standard.

[9] Adjustment reflects 2021 activity for the change in accrued claim adjustment expenses that are included in benefits and claims as a component of the integrated reserve under the updated standard

[10] Adjustment reflects an increase in income tax expense associated with the increase in pretax earnings.

[11] Adjustment reflects a decrease in income tax expense associated with the decrease in pretax earnings.