Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 2,295	$ 2,369
Depreciation and amortization	534	503
Stock-based compensation expense	174	166
Other items, net	(36)	72
Changes in operating assets and liabilities, net of acquisitions:
Trade receivables, net	(369)	(99)
Inventories	(194)	120
Other current assets	51	(129)
Accounts payable	121	148
Accrued income taxes	25	(297)
Other accrued liabilities	(35)	(376)
Net cash provided by operating activities	2,566	2,477
Cash flows from investing activities:
Purchases of property, plant and equipment	(223)	(271)
Cash paid for acquisitions, net of cash acquired	(701)	0
Purchases of marketable securities	(13,207)	(7,607)
Proceeds from sales of marketable securities	14,019	5,246
Proceeds from maturities of marketable securities	408	290
Other	(5)	(48)
Net cash provided by (used in) investing activities	291	(2,390)
Cash flows from financing activities:
Repayment of debt	(2,500)	0
Repurchases of common stock	(745)	(2,300)
Net proceeds from issuance of debt	2,973	989
Other	126	52
Net cash used in financing activities	(146)	(1,259)
Increase (decrease) in cash and cash equivalents	2,711	(1,172)
Cash and cash equivalents at beginning of period	3,287	2,884
Cash and cash equivalents at end of period	$ 5,998	$ 1,712