Fair Value Information (Fair Value Assets And Liabilities Measured On A Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Company-owned life insurance (“COLI”)	$ 56	$ 55
Available-for-sale securities	22	22
Derivatives	55	62
Total	133	139
Derivatives	40	49
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Company-owned life insurance (“COLI”)	0	0
Available-for-sale securities	22	22
Derivatives	0	0
Total	22	22
Derivatives	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Company-owned life insurance (“COLI”)	56	55
Available-for-sale securities	0	0
Derivatives	55	62
Total	111	117
Derivatives	40	49
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Company-owned life insurance (“COLI”)	0	0
Available-for-sale securities	0	0
Derivatives	0	0
Total	0	0
Derivatives	$ 0	$ 0