Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 126	$ 122
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33	35
Deferred income taxes	(4)	6
Stock-based compensation expense	8	8
Other	(1)	(2)
Changes in operating assets and liabilities:
Accounts receivable	(32)	(51)
Inventories	(5)	4
Accounts payable	15	(4)
Income taxes	34	21
Other, net	(2)	15
Net cash provided by operating activities	172	154
Cash flows from investing activities:
Capital expenditures	(29)	(25)
Purchases of investments	(2)	(51)
Proceeds from sales of investments	3	20
Other, net	(2)	(3)
Net cash (used in) investing activities	(30)	(59)
Cash flows from financing activities:
Net issuance/(repayment) of short-term debt	(33)	(294)
Dividends	(27)	(26)
Share repurchases	(85)	(27)
Proceeds from exercise of stock options	8	10
Other, net	(1)	3
Net cash (used in) financing activities	(138)	(334)
Effect of foreign currency exchange rate changes on cash	1	(14)
Net change in cash and cash equivalents	5	(253)
Cash and cash equivalents at January 1	722	724
Cash and cash equivalents at March 31	727	471
Supplemental disclosures of cash flow information:
Income taxes paid	13	12
Interest paid, net of capitalized interest	$ (1)	$ 0