Long-Term Employee Benefits (Schedule of Amounts Recognized in Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Net loss	$ (8,640)	$ (13,042)
Prior service (cost) benefit	9	(62)
Pre-tax amounts recognized in accumulated other comprehensive income	(8,631)	(13,104)
Other Long-Term Employee Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net loss	(647)	(1,233)
Prior service (cost) benefit	1,433	1,567
Pre-tax amounts recognized in accumulated other comprehensive income	$ 786	$ 334