Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Cash Flows from Operating Activities:
Net income	$ 316	$ 327	$ 592	$ 616
Adjustments required to reconcile net income to cash flows from operating activities:
Depreciation and amortization	313	298	626	589
Provision for receivables	33	29	60	54
Provision for inventory	7	6	17	19
Net gain on sales of businesses and assets	(2)	(7)	(3)	(8)
Undistributed equity in net income of unconsolidated affiliates	(4)	(7)	(35)	(40)
Stock-based compensation	31	31	62	63
Restructuring and asset impairment charges	29	(9)	46	(24)
Payments for restructurings	(44)	(63)	(83)	(120)
Contributions to defined benefit pension plans	(158)	(79)	(237)	(123)
Increase in accounts receivable and billed portion of finance receivables	(156)	(15)	(608)	(286)
Collections of deferred proceeds from sales of receivables	160	95	256	182
Increase in inventories	(50)	(37)	(84)	(137)
Increase in equipment on operating leases	(68)	(68)	(135)	(129)
Decrease in finance receivables	111	65	275	160
Increase in other current and long-term assets	(61)	(44)	(162)	(123)
Decrease in accounts payable and accrued compensation	(93)	(145)	(237)	(378)
Decrease in other current and long-term liabilities	(127)	(89)	(162)	(175)
Net change in income tax assets and liabilities	18	47	61	168
Net change in derivative assets and liabilities	(30)	1	(9)	24
Other operating, net	3	11	(27)	(15)
Net cash provided by operating activities	228	347	213	317
Cash Flows from Investing Activities:
Cost of additions to land, buildings and equipment	(82)	(94)	(173)	(165)
Proceeds from sales of land, buildings and equipment	3	2	7	4
Cost of additions to internal use software	(33)	(41)	(70)	(81)
Acquisitions, net of cash acquired	0	(94)	(87)	(137)
Net change in escrow and other restricted investments	11	(7)	8	(8)
Other investing, net	3	19	3	19
Net cash used in investing activities	(98)	(215)	(312)	(368)
Cash Flows from Financing Activities:
Net (payments) proceeds on debt	(455)	690	543	703
Payment of liability to subsidiary trust issuing preferred securities	0	670	0	670
Common stock dividends	(57)	(59)	(114)	(119)
Preferred stock dividends	(6)	(6)	(12)	(12)
Proceeds from issuances of common stock	3	12	10	31
Excess tax benefits from stock-based compensation	0	2	0	4
Payments to acquire treasury stock, including fees	(307)	0	(357)	0
Repurchases related to stock-based compensation	(1)	(3)	(1)	(6)
Distributions to noncontrolling Interest	(4)	(5)	(61)	(12)
Net cash (used in) provided by financing activities	(827)	(39)	8	(81)
Effect of exchange rate changes on cash and cash equivalents	(3)	5	3	19
(Decrease) increase in cash and cash equivalents	(700)	98	(88)	(113)
Cash and cash equivalents at beginning of period	1,514	1,000	902	1,211
Cash and Cash Equivalents at End of Period	$ 814	$ 1,098	$ 814	$ 1,098