SIGNIFICANT ACCOUNTING POLICIES VIEs Schedule (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jan. 01, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 3,701		$ 3,063	$ 4,276	$ 2,716
Investments	60,722		52,527
Other assets	4,420		4,634
Total Assets	209,034		194,626
Liabilities	188,005		177,018
Redeemable non-controlling interest	146		13
Total liabilities and redeemable non-controlling interest	209,034		$ 194,626
VIE Guidance Adoption [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents		$ 36
Investments		215
Other assets		14
Total Assets		265
Liabilities		14
Redeemable non-controlling interest		251
Total liabilities and redeemable non-controlling interest		$ 265
Additional VIEs Consolidated [Member] | VIE Guidance Adoption [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	22
Investments	40
Other assets	23
Total Assets	85
Liabilities	41
Redeemable non-controlling interest	44
Total liabilities and redeemable non-controlling interest	85
VIEs De-consolidated [Member] | VIE Guidance Adoption [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	(13)
Investments	(126)
Other assets	(59)
Total Assets	(198)
Liabilities	(60)
Redeemable non-controlling interest	(138)
Total liabilities and redeemable non-controlling interest	$ (198)