CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY Statement - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]
Stockholders' Equity Attributable to Parent	$ 8,450	$ 1	$ 1,899	$ 7,285	$ (1,371)	$ 636
Adoption of New Accounting Standard Current Expected Credit Loss	0
Net income	635			635
Other Comprehensive Income (Loss), Net of Tax	2,622
Dividends, Common Stock, Cash	(119)			(119)
Proceeds from Issuance of Common Stock	0
Treasury Stock, Value, Acquired, Cost Method	(98)				(98)
Stock Issued During Period, Value, Treasury Stock Reissued	(34)		(29)	(35)	(40)
Stockholders' Equity Attributable to Parent	10,709	1	1,920	7,550	(1,404)	2,642
Net income	263			263
Other Comprehensive Income (Loss), Net of Tax	616
Dividends, Common Stock, Cash	(44)			(44)
Treasury Stock, Value, Acquired, Cost Method	(30)				(30)
Stock Issued During Period, Value, Treasury Stock Reissued	(10)		(8)	(3)	(5)
Stockholders' Equity Attributable to Parent	11,524	1	1,928	7,766	(1,429)	3,258
Stockholders' Equity Attributable to Parent	11,601	1	1,937	7,952	(1,426)	3,137
Adoption of New Accounting Standard Current Expected Credit Loss	(12)			(12)
Net income	283			283
Other Comprehensive Income (Loss), Net of Tax	1,152
Dividends, Common Stock, Cash	(134)			(134)
Proceeds from Issuance of Common Stock	481		481
Treasury Stock, Value, Acquired, Cost Method	(162)				(162)
Stock Issued During Period, Value, Treasury Stock Reissued	(5)		(3)	(23)	(25)
Stockholders' Equity Attributable to Parent	12,553	1	2,413	7,901	(1,563)	3,801
Net income	213			213
Other Comprehensive Income (Loss), Net of Tax	488
Dividends, Common Stock, Cash	(47)			(47)
Treasury Stock, Value, Acquired, Cost Method	0				0
Stock Issued During Period, Value, Treasury Stock Reissued	(7)		(8)	(1)	0
Stockholders' Equity Attributable to Parent	$ 13,214	$ 1	$ 2,421	$ 8,066	$ (1,563)	$ 4,289