Long-Term Employee Benefits Defined Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	4 Months Ended	8 Months Ended	9 Months Ended		9 Months Ended	1 Months Ended	3 Months Ended	8 Months Ended		3 Months Ended	5 Months Ended	7 Months Ended	9 Months Ended
	Sep. 30, 2013 Pension Plans [Member]	Sep. 30, 2012 Pension Plans [Member]	Sep. 30, 2013 Pension Plans [Member]	Sep. 30, 2012 Pension Plans [Member]	Sep. 30, 2013 Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2012 Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2013 Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2012 Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member]	Dec. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member]	Aug. 30, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member]	Sep. 30, 2013 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member]	Sep. 01, 2012 Impact of sale of Business on Pension Plan [Member] Pension Plans [Member]	Sep. 30, 2013 Impact of sale of Business on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 29, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Aug. 30, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 01, 2013 Impact of 2013 plan amendment [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Dec. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Jul. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]	Sep. 30, 2012 Impact of 2012 plan amendment on Other Long-Term Employee Benefit Plans [Member] Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement and curtailment losses (gains)												$ 153		$ (153)
Curtailment (gain) loss	0	2	1	2	0	3	(154)	3	2
Defined benefit plan, discount rate										4.10%	4.50%				4.75%		3.85%			4.00%	4.50%
Defined benefit plan, expected return on plan assets										8.75%	9.00%
Impact to underfunded status of plan													609
Defined Benefit Plan, decrease to benefit obligation																		294	700			700
Defined benefit plan, actuarial gain (loss)																95			(138)
Prior service benefit (cost)																199			838
Reduction to other long term employee benefit expense																			$ 18			$ 18