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Shareowners' Equity (Noncontrolling Interests) (Details) (USD $)
In Millions, unless otherwise specified
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3 Months Ended |
12 Months Ended |
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Changes To Noncontrolling Interest |
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| Beginning balance |
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$ 432us-gaap_MinorityInterest |
[1] |
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$ 707us-gaap_MinorityInterest |
$ 432us-gaap_MinorityInterest |
[1] |
$ 707us-gaap_MinorityInterest |
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$ 690us-gaap_MinorityInterest |
| Net earnings |
86us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
|
55us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
10us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
11us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
|
15us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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10us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
17us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
11us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
162us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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53us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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63us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
| Dividends |
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(6)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
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(48)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
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(19)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
| Dispositions |
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(75)us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation |
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(174)us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation |
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0us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation |
| Synchrony Financial |
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0us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest |
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0us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest |
| AOCI and other |
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(7)gecc_NoncontrollingInterestPortionOfAccumulatedOtherComprehensiveIncomeAndOther |
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(106)gecc_NoncontrollingInterestPortionOfAccumulatedOtherComprehensiveIncomeAndOther |
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(27)gecc_NoncontrollingInterestPortionOfAccumulatedOtherComprehensiveIncomeAndOther |
| Ending balance |
2,899us-gaap_MinorityInterest |
[1] |
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432us-gaap_MinorityInterest |
[1] |
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2,899us-gaap_MinorityInterest |
[1] |
432us-gaap_MinorityInterest |
[1] |
707us-gaap_MinorityInterest |
| Other noncontrolling interests in consolidated affiliates |
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| Changes To Noncontrolling Interest |
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| Synchrony Financial |
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2,531us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest
/ dei_LegalEntityAxis
= gecc_OtherconsolidatedaffiliatememberMember |
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0us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest
/ dei_LegalEntityAxis
= gecc_OtherconsolidatedaffiliatememberMember |
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| AOCI and other |
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$ (368)gecc_NoncontrollingInterestPortionOfAccumulatedOtherComprehensiveIncomeAndOther
/ dei_LegalEntityAxis
= gecc_OtherconsolidatedaffiliatememberMember |
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$ (432)gecc_NoncontrollingInterestPortionOfAccumulatedOtherComprehensiveIncomeAndOther
/ dei_LegalEntityAxis
= gecc_OtherconsolidatedaffiliatememberMember |
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