Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2019

Text Block [Abstract]

Summary Of Nonconsolidated VIEs Assets And Liabilities

	December 31, 2019
			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	$	2,253	$	15	$	19	$	107	$	16	$	436
Mortgage-backed commercial		26		—		—		—		—		—
Consumer asset-backed		384		—		1		1		1		11
Corporate asset-backed		937		—		6		673		7		—
Total global structured finance		3,600		15		26		781		24		447
Global public finance		1,926		—		8		—		9		—
Total insurance	$	5,526	$	15	$	34	$	781	$	33	$	447

	December 31, 2018
			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	$	3,103	$	17	$	19	$	128	$	17	$	345
Mortgage-backed commercial		52		—		—		—		—		—
Consumer asset-backed		560		—		3		1		2		12
Corporate asset-backed		1,338		—		9		858		10		—
Total global structured finance		5,053		17		31		987		29		357
Global public finance		2,231		—		9		—		12		—
Total insurance	$	7,284	$	17	$	40	$	987	$	41	$	357