SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions			3 Months Ended
	May. 05, 2016	May. 02, 2016	Mar. 31, 2016	Mar. 31, 2015
Subsequent events
Dividends declared per common share			$ 0.32	$ 0.125
Net realized capital gains (losses)			$ (1,106)	$ 1,341
Subsequent event
Subsequent events
Dividends declared per common share		$ 0.32
Date Dividends Declared		May 02, 2016
Date Dividends To Be Paid		Jun. 27, 2016
Date of Shareholders of Record		Jun. 13, 2016
Subsequent event | PICC Property and Casualty Company Limited
Subsequent events
Equity Securities, Number of Shares Sold		740
Equity Securities, Sale Proceeds	$ 1,250
Net realized capital gains (losses)	$ 900