Supplementary Disclosure of Consolidated Cash Flow Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash paid during the period for:
Interest	$ 1,331	$ 1,368	$ 3,367
Taxes	493	511	737
Non-cash investing/financing activities:
Interest credited to policyholder contract deposits included in financing activities	3,430	3,676	3,904
International Lease Finance Corporation (ILFC)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash consideration received from sale			$ 4,586
Aer Cap
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash consideration received from sale		$ 500
UGC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash consideration received from sale	$ 1,101