CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 151,000,000	$ 158,000,000
Customer relationships, accumulated amortization (in dollars)	3,370,000,000	2,524,000,000
Other intangible assets, accumulated amortization (in dollars)	$ 1,290,000,000	$ 986,000,000
Preferred stock-non-redeemable, par value (in dollars per share)	$ 25	$ 25
Preferred stock-non-redeemable, authorized shares (shares)	2,000	2,000
Preferred stock-non-redeemable, issued shares (shares)	7	7
Preferred stock-non-redeemable, outstanding shares (shares)	7	7
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, authorized shares (shares)	1,600,000	1,600,000
Common stock, shares, issued (shares)	593,497	625,658
Common Stock, Shares, Outstanding	593,497	625,658