Pension and Post-Retirement Benefits - Amounts Recognized in Consolidated Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Amounts recognized in the Company's Consolidated Balance Sheets: For years after adoption of the funded status provisions of SFAS 158
Current liabilities	$ (2)	$ (3)
United States
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	12	0
Amounts recognized in the Company's Consolidated Balance Sheets: For years after adoption of the funded status provisions of SFAS 158
Current liabilities	0	0
Pension and post-retirement benefits	0	(20)
Net amount recognized	12	(20)
Reconciliation of amounts recognized in the Company's Consolidated Balance Sheets
Prior service (cost) credit	0	0
Net (loss) gain	(30)	(58)
Accumulated other comprehensive (loss) income	(30)	(58)
Accumulated contributions in excess of (less than) net periodic benefit cost	42	38
Net Consolidated Balance Sheet liability	12	(20)
International
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	2	0
Amounts recognized in the Company's Consolidated Balance Sheets: For years after adoption of the funded status provisions of SFAS 158
Current liabilities	0	0
Pension and post-retirement benefits	(36)	(71)
Net amount recognized	(34)	(71)
Reconciliation of amounts recognized in the Company's Consolidated Balance Sheets
Prior service (cost) credit	11	(1)
Net (loss) gain	(39)	(65)
Accumulated other comprehensive (loss) income	(28)	(66)
Accumulated contributions in excess of (less than) net periodic benefit cost	(6)	(5)
Net Consolidated Balance Sheet liability	(34)	(71)
Post-Retirement Medical Benefit Plans
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	0	0
Amounts recognized in the Company's Consolidated Balance Sheets: For years after adoption of the funded status provisions of SFAS 158
Current liabilities	(2)	(3)
Pension and post-retirement benefits	(37)	(44)
Net amount recognized	(39)	(47)
Reconciliation of amounts recognized in the Company's Consolidated Balance Sheets
Prior service (cost) credit	4	5
Net (loss) gain	15	7
Accumulated other comprehensive (loss) income	19	12
Accumulated contributions in excess of (less than) net periodic benefit cost	(58)	(59)
Net Consolidated Balance Sheet liability	$ (39)	$ (47)