Supplemental Information About The Credit Quality Of Financing Receivables And Allowance For Losses On Financing Receivables (Impaired Loans) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Impaired Loans
Recorded investment in loans with no specific allowance	$ 278		$ 278	$ 530
Unpaid principal balance with no specific allowance	289		289	580
Average investment with no specific allowance	347			241
Recorded investment in loans with a specific allowance	723		723	2,062
Unpaid principal balance with a specific allowance	630		630	2,112
Allowance for losses (specific reserves)	241		241	424
Average investment with a specific allowance	1,175			2,591
Non-impaired financing receivables	83,475		83,475	123,969
General reserves	3,152		3,152	3,680
Impaired loans	1,001		1,001	2,592
Impaired loans classified as Troubled debt restructuring (TDR)	808		808
Discounted Cash Flow Method [Member]
Impaired Loans
Impaired loans	797		797	2,149
Collateral Value Method [Member]
Impaired Loans
Impaired loans	204		204	443
CLL [Member]
Impaired Loans
Recorded investment in loans with no specific allowance	13		13	10
Unpaid principal balance with no specific allowance	15		15	10
Average investment with no specific allowance	10			7
Recorded investment in loans with a specific allowance	4		4	5
Unpaid principal balance with a specific allowance	4		4	5
Allowance for losses (specific reserves)	3		3	4
Average investment with a specific allowance	5			4
Impaired loans classified as Troubled debt restructuring (TDR)	10		10
Energy Financial Services [Member]
Impaired Loans
Recorded investment in loans with no specific allowance	28		28	53
Unpaid principal balance with no specific allowance	29		29	54
Average investment with no specific allowance	45			26
Recorded investment in loans with a specific allowance	0		0	15
Unpaid principal balance with a specific allowance	0		0	15
Allowance for losses (specific reserves)	0		0	12
Average investment with a specific allowance	8			24
GE Capital Aviation Services (GECAS)
Impaired Loans
Recorded investment in loans with no specific allowance	237		237	329
Unpaid principal balance with no specific allowance	245		245	337
Average investment with no specific allowance	246			88
Recorded investment in loans with a specific allowance	0		0	0
Unpaid principal balance with a specific allowance	0		0	0
Allowance for losses (specific reserves)	0		0	0
Average investment with a specific allowance	0			15
Impaired loans classified as Troubled debt restructuring (TDR)	79		79
Commercial [Member]
Impaired Loans
Recorded investment in loans with no specific allowance	278		278	392
Unpaid principal balance with no specific allowance	289		289	401
Average investment with no specific allowance	301			121
Recorded investment in loans with a specific allowance	4		4	20
Unpaid principal balance with a specific allowance	4		4	20
Allowance for losses (specific reserves)	3		3	16
Average investment with a specific allowance	13			44
Average investment in loans	314			165
Interest income recognized	0	$ 0		0
Interest income recognized on a cash basis	0	0		0
Non-impaired financing receivables	22,763		22,763	25,329
General reserves	88		88	77
Impaired loans	282		282	412
Consumer [Member]
Impaired Loans
Recorded investment in loans with no specific allowance	0		0	138
Unpaid principal balance with no specific allowance	0		0	179
Average investment with no specific allowance	46			120
Recorded investment in loans with a specific allowance	719		719	2,042
Unpaid principal balance with a specific allowance	626		626	2,092
Allowance for losses (specific reserves)	238		238	408
Average investment with a specific allowance	1,162			2,547
Average investment in loans	1,208			2,667
Interest income recognized	36	91		126
Interest income recognized on a cash basis	1	$ 1		5
Non-impaired financing receivables	60,712		60,712	98,640
General reserves	3,064		3,064	3,603
Impaired loans	719		719	2,180
Impaired loans classified as Troubled debt restructuring (TDR)	719		719	2,132
Changes In Loans Modified As Troubled Debt Restructurings	227		715		$ 1,150
Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default			35		$ 80
Other Commercial [Member]
Impaired Loans
Recorded investment in loans with no specific allowance	0		0	0
Unpaid principal balance with no specific allowance	0		0	0
Average investment with no specific allowance	0			0
Recorded investment in loans with a specific allowance	0		0	0
Unpaid principal balance with a specific allowance	0		0	0
Allowance for losses (specific reserves)	0		$ 0	0
Average investment with a specific allowance	$ 0			$ 1

No definition available.

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- Definition

Reflects the amount of interest income on impaired and nonperforming loans that was recognized as income during the reporting period.

+ References

No definition available.

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No definition available.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Paragraph 15

-Subparagraph (c)(1)

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- Definition

Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of allowance for credit losses related to recorded investment.

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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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- Definition

Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

+ References

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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

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