Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current Assets
Allowance for Doubtful Accounts Receivable, Current	$ 0	$ 1
Other Assets
Other Intangible Assets (accumulated amortization)	$ 72	$ 141
Stockholders' Equity
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,000	1,000
Common Stock, Shares, Issued	1,000	1,000