Consolidated Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 1,338	$ 1,427
Adjustments to net income:
Depreciation	444	426
Stock-based compensation	110	96
Amortization of acquisition-related intangibles	13	25
Deferred income taxes	(15)	(18)
Increase (decrease) from changes in:
Accounts receivable	(146)	(439)
Inventories	(242)	(147)
Prepaid expenses and other current assets	(12)	(34)
Accounts payable and accrued expenses	(25)	(18)
Accrued compensation	(201)	33
Income taxes payable	(103)	(120)
Other	(14)	41
Net cash provided by operating activities	1,147	1,272
Cash flows from investing activities:
Additions to property, plant and equipment	(470)	(502)
Purchases of short-term investments	(1,688)	(1,212)
Sales, redemptions and maturities of short-term investments	1,616	1,801
Purchases of long-term investments	(3)	(2)
Sales and redemptions of long-term investments	64	68
Net cash (used in) provided by investing activities	(481)	153
Cash flows from financing activities:
Proceeds from issuance of long-term debt	3,497	0
Issuance costs for long-term debt	(12)	0
Dividends paid	(303)	(296)
Sales and other common stock transactions	530	79
Excess tax benefit from share-based payments	27	2
Stock repurchases	(1,223)	(1,254)
Net cash provided by (used in) financing activities	2,516	(1,469)
Net increase (decrease) in cash and cash equivalents	3,182	(44)
Cash and cash equivalents, beginning of period	1,319	1,182
Cash and cash equivalents, end of period	$ 4,501	$ 1,138