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	372			372
Other Comprehensive Income (Loss), Net of Tax	2,006
Dividends, Common Stock, Cash	(75)			(75)
Proceeds from Issuance of Common Stock	0
Treasury Stock, Value, Acquired, Cost Method	(68)				(68)
Stock Issued During Period, Value, Treasury Stock Reissued	(24)		(21)	(32)	(35)
Stockholders' Equity Attributable to Parent	9,670	1	1,906	7,412	(1,415)	1,766
Net income	202			202
Other Comprehensive Income (Loss), Net of Tax	876
Dividends, Common Stock, Cash	(38)			(38)
Treasury Stock, Value, Acquired, Cost Method	(19)				(19)
Stock Issued During Period, Value, Treasury Stock Reissued	(18)		(14)	(26)	(30)
Stockholders' Equity Attributable to Parent	10,709	1	1,920	7,550	(1,404)	2,642
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	70			70
Other Comprehensive Income (Loss), Net of Tax	664
Dividends, Common Stock, Cash	(87)			(87)
Proceeds from Issuance of Common Stock	481		481
Treasury Stock, Value, Acquired, Cost Method	(162)				(162)
Stock Issued During Period, Value, Treasury Stock Reissued	2		5	(22)	(25)
Stockholders' Equity Attributable to Parent	9,301	1	1,942	7,802	(1,574)	1,130
Net income	158			158
Other Comprehensive Income (Loss), Net of Tax	2,671
Dividends, Common Stock, Cash	(43)			(43)
Proceeds from Issuance of Common Stock	481		481
Treasury Stock, Value, Acquired, Cost Method	(6)				(6)
Stock Issued During Period, Value, Treasury Stock Reissued	9		10	(16)	(17)
Stockholders' Equity Attributable to Parent	$ 12,553	$ 1	$ 2,413	$ 7,901	$ (1,563)	$ 3,801