Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating cash flows:
Net income before non-controlling interests	$ 1,385	$ 1,201	$ 1,015
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization of fixed assets and capitalized software	286	277	267
Amortization of intangible assets	72	72	65
Intangible asset impairment	5	8	0
Adjustments to acquisition related contingent consideration liability	24	(44)	0
Cost of early extinguishment of debt	24	0	72
Provision for deferred income taxes	184	96	178
Gain on investments	(69)	(24)	(8)
Loss on disposition of assets	1	23	35
Stock option expense	18	26	21
Changes in assets and liabilities:
Net receivables	(245)	(144)	143
Other current assets	(70)	(37)	(225)
Other assets	(766)	(177)	(94)
Accounts payable and accrued liabilities	106	(210)	108
Accrued compensation and employee benefits	(8)	72	107
Accrued income taxes	43	44	1
Other liabilities	383	174	32
Effect of exchange rate changes	(32)	(35)	(12)
Net cash provided by operations	1,341	1,322	1,705
Financing cash flows:
Purchase of treasury shares	(550)	(230)	(361)
Proceeds from debt	547	248	496
Repayments of debt	(260)	(259)	(11)
Payments for early extinguishment of debt	(274)	0	(672)
Purchase of non-controlling interests	0	0	(21)
Shares withheld for taxes on vested units – treasury shares	(79)	(97)	(93)
Issuance of common stock from treasury shares	352	248	162
Payments of contingent consideration for acquisitions	(9)	(30)	(16)
Distributions of non-controlling interests	(28)	(16)	(11)
Dividends paid	(533)	(497)	(480)
Net cash used for financing activities	(834)	(633)	(1,007)
Investing cash flows:
Capital expenditures	(401)	(320)	(280)
Net sales of long-term investments	93	20	62
Proceeds from sales of fixed assets	5	6	3
Dispositions	5	0	0
Acquisitions	(142)	(292)	(237)
Other, net	(6)	3	(5)
Net cash used for investing activities	(446)	(583)	(457)
Effect of exchange rate changes on cash and cash equivalents	(59)	82	(22)
Increase in cash and cash equivalents	2	188	219
Cash and cash equivalents at beginning of period	2,301	2,113	1,894
Cash and cash equivalents at end of period	$ 2,303	$ 2,301	$ 2,113