Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net income	$ 24	$ 31
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization expense	33	39
Net gain on disposal of assets		(5)
Recovery of losses	(3)	(6)
Asset impairment expense and other charges	15	9
Net loss on disposal of discontinued operations, net of tax		2
Decrease in deferred income taxes	(13)	(17)
Change in assets and liabilities:
Other assets		3
Accrued interest and rents		1
Accounts payable and accrued expenses	(24)	(38)
Other liabilities	(35)	(11)
Accounts with Boeing	(15)	17
Net cash provided by (used in) operating activities	(18)	25
INVESTING ACTIVITIES
Purchase of investments	(3)
Purchase of short-term investments	(100)	(300)
Proceeds from maturities of short-term investments	300	900
Proceeds from available-for-sale investments		1
Payment for capitalizable costs in process	(3)
Proceeds from disposition of equipment	9	24
Payments of leases, notes and other receivables	92	82
Net cash provided by investing activities	295	707
FINANCING ACTIVITIES
Repayment of debt	(774)	(786)
Payment of dividends (including return of capital)	(45)	(191)
Net cash used in financing activities	(819)	(977)
Net decrease in cash and cash equivalents	(542)	(245)
Cash and cash equivalents at beginning of year	941	425
Cash and cash equivalents at end of period	399	180
NON-CASH INVESTING AND FINANCING ACTIVITIES
Net transfer to (from) assets held for sale or re-lease	10	(13)
Net transfer to (from) equipment under operating leases	(4)	13
Transfer from other assets	(6)
Decrease in debt due to fair value hedge derivatives	$ 3	$ 8