INVESTMENTS (Details 4) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Debt Securities Held-to-maturity
Amortized cost	$ 11,716	$ 11,662
Net unrealized losses recognized in AOCI	908	1,532
Carrying value	10,808	10,130
Gross unrecognized gains	900	917
Gross unrecognized losses	399	403
Fair value	11,309	10,644
Mortgage-backed securities
Debt Securities Held-to-maturity
Amortized cost	3,416	6,039
Net unrealized losses recognized in AOCI	731	1,330
Carrying value	2,685	4,709
Gross unrecognized gains	618	747
Gross unrecognized losses	322	358
Fair value	2,981	5,098
Prime
Debt Securities Held-to-maturity
Amortized cost	125	258
Net unrealized losses recognized in AOCI	22	49
Carrying value	103	209
Gross unrecognized gains	16	30
Gross unrecognized losses	4	4
Fair value	115	235
Alt-A
Debt Securities Held-to-maturity
Amortized cost	1,803	2,969
Net unrealized losses recognized in AOCI	494	837
Carrying value	1,309	2,132
Gross unrecognized gains	556	653
Gross unrecognized losses	280	250
Fair value	1,585	2,535
Subprime
Debt Securities Held-to-maturity
Amortized cost	17	201
Net unrealized losses recognized in AOCI		43
Carrying value	17	158
Gross unrecognized gains	3	13
Gross unrecognized losses	5	21
Fair value	15	150
Non-U.S. residential
Debt Securities Held-to-maturity
Amortized cost	1,458	2,488
Net unrealized losses recognized in AOCI	215	401
Carrying value	1,243	2,087
Gross unrecognized gains	43	50
Gross unrecognized losses	33	81
Fair value	1,253	2,056
Commercial
Debt Securities Held-to-maturity
Amortized cost	13	123
Carrying value	13	123
Gross unrecognized gains		1
Gross unrecognized losses		2
Fair value	13	122
State and municipal securities
Debt Securities Held-to-maturity
Amortized cost	1,247	1,278
Net unrealized losses recognized in AOCI	64	73
Carrying value	1,183	1,205
Gross unrecognized gains	64	89
Gross unrecognized losses	66	37
Fair value	1,181	1,257
Foreign government
Debt Securities Held-to-maturity
Amortized cost	5,607	2,987
Carrying value	5,607	2,987
Gross unrecognized gains	81
Gross unrecognized losses	1
Fair value	5,687	2,987
Corporate
Debt Securities Held-to-maturity
Amortized cost	838	829
Net unrealized losses recognized in AOCI	85	103
Carrying value	753	726
Gross unrecognized gains	110	73
Fair value	863	799
Asset-backed securities
Debt Securities Held-to-maturity
Amortized cost	608	529
Net unrealized losses recognized in AOCI	28	26
Carrying value	580	503
Gross unrecognized gains	27	8
Gross unrecognized losses	10	8
Fair value	$ 597	$ 503

For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that the entity has the positive intent and ability to hold until maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 10

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Section A

-Paragraph 5

-Chapter 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 11

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 19

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 43

-Section A

-Paragraph 4

-Chapter 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 11: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References+ Details

- Definition

As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.

+ References+ Details

- Definition

As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss.

+ References+ Details