GECC Financing Receivables and Allowance for Losses on Financing Receivables (Contractual Maturities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Total loans
Contractual Obligation, Fiscal Year Maturity [Abstract]
2015	$ 52,175
2016	18,663
2017	19,712
2018	14,034
2019	13,097
2020 and later	35,069
Total	152,750
Consumer revolving loans	64,864
Total Contractual Maturities	217,614
Net rentals receivable
Contractual Obligation, Fiscal Year Maturity [Abstract]
2015	8,012
2016	5,440
2017	3,752
2018	2,564
2019	1,513
2020 and later	2,608
Total	23,889
Consumer revolving loans	0
Total Contractual Maturities	$ 23,889