Valuation And Qualifying Accounts (Schedule Of Valuation And Qualifying Accounts) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consumer Products [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 54	$ 46	$ 50
Additions, Charged to Cost and Expense	733	704	692
Additions, Charged to Other Accounts	0	0	0
Deductions	745	696	696
Balance at End of Period	42	54	46
Consumer Products [Member] | Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period			3
Additions, Charged to Cost and Expense			0
Additions, Charged to Other Accounts			0
Deductions			3
Balance at End of Period			0
Consumer Products [Member] | Allowance For Returned Goods [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	54	46	47
Additions, Charged to Cost and Expense	114	102	86
Additions, Charged to Other Accounts	0	0	0
Deductions	126	94	87
Balance at End of Period	42	54	46
Consumer Products [Member] | Allowance For Discounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	0	0	0
Additions, Charged to Cost and Expense	619	602	606
Additions, Charged to Other Accounts	0	0	0
Deductions	619	602	606
Balance at End of Period	0	0	0
Financial Services [Member] | Allowance For Losses [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	227	202	266
Additions, Charged to Cost and Expense	(10)	25	0
Additions, Charged to Other Accounts	0	0	0
Deductions	118	0	64
Balance at End of Period	$ 99	$ 227	$ 202