Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock at Cost	Accumulated Other Comprehensive Income (Loss)	Total MetLife, Inc.’s Stockholders’ Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2015	$ 68,419	$ 0	$ 12	$ 30,749	$ 35,519	$ (3,102)	$ 4,771	$ 67,949	$ 470
Treasury stock acquired in connection with share repurchases	(70)					(70)		(70)
Stock-based compensation	34			34				34
Dividends on preferred stock	(52)				(52)			(52)
Dividends on common stock	(854)				(854)			(854)
Change in equity of noncontrolling interests	(376)							0	(376)
Net income (loss)	2,317				2,311			2,311	6
Other comprehensive income (loss), net of income tax	9,955						9,861	9,861	94
Ending Balance at Jun. 30, 2016	79,373	0	12	30,783	36,924	(3,172)	14,632	79,179	194
Beginning Balance at Dec. 31, 2016	67,480	0	12	30,944	34,480	(3,474)	5,347	67,309	171
Treasury stock acquired in connection with share repurchases	(1,810)					(1,810)		(1,810)
Stock-based compensation	77			77				77
Dividends on preferred stock	(52)				(52)			(52)
Dividends on common stock	(868)				(868)			(868)
Change in equity of noncontrolling interests	37							0	37
Net income (loss)	1,716				1,710			1,710	6
Other comprehensive income (loss), net of income tax	3,089						3,089	3,089	0
Ending Balance at Jun. 30, 2017	$ 69,669	$ 0	$ 12	$ 31,021	$ 35,270	$ (5,284)	$ 8,436	$ 69,455	$ 214