Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2021

Text Block [Abstract]

Summary Of Nonconsolidated VIEs Assets And Liabilities

	December 31, 2021
			Carrying Value of Assets						Carrying Value of Liabilities
In millions	Maximum Exposure to Loss		Investments		Premiums Receivable		Insurance Loss Recoverable		Unearned Premium Revenue		Loss and Loss Adjustment Expense Reserves
Insurance:
Global structured finance:
Mortgage-backed residential	$	1,261	$	87	$	14	$	40	$	11	$	430
Consumer asset-backed		226		—		1		1		1		6
Corporate asset-backed		503		—		3		200		4		11
Total global structured finance		1,990		87		18		241		16		447
Global public finance		834		—		6		—		5		—
Total insurance	$	2,824	$	87	$	24	$	241	$	21	$	447

	December 31, 2020
			Carrying Value of Assets						Carrying Value of Liabilities
In millions	Maximum Exposure to Loss		Investments		Premiums Receivable		Insurance Loss Recoverable		Unearned Premium Revenue		Loss and Loss Adjustment Expense Reserves
Insurance:
Global structured finance:
Mortgage-backed residential	$	1,835	$	21	$	16	$	90	$	14	$	482
Consumer asset-backed		293		—		1		1		1		15
Corporate asset-backed		735		—		5		364		5		—
Total global structured finance		2,863		21		22		455		20		497
Global public finance		1,434		—		7		—		7		2
Total insurance	$	4,297	$	21	$	29	$	455	$	27	$	499