Retirement Benefits (Tables)

6 Months Ended

Jun. 30, 2015

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of the net periodic benefit cost for defined benefit and other post-retirement plans are as follows:

Combined U.S. and significant non-U.S. Plans	Pension						Post-retirement
For the Three Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015			2014
Service cost	$	50		$	62		$	1		$	1
Interest cost	146			161			2			3
Expected return on plan assets	(243		)	(250		)	—			—
Amortization of prior service credit	—			(3		)	1			—
Recognized actuarial loss (gain)	78			53			(1		)	—
Net periodic benefit cost	$	31		$	23		$	3		$	4
Combined U.S. and significant non-U.S. Plans	Pension						Post-retirement
For the Six Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015			2014
Service cost	$	102		$	123		$	2		$	2
Interest cost	292			322			4			6
Expected return on plan assets	(486		)	(498		)	—			—
Amortization of prior service credit	—			(6		)	1			—
Recognized actuarial loss (gain)	154			104			(1		)	—
Net periodic benefit cost	$	62		$	45		$	6		$	8
Curtailment credit	—			(65		)	—			—
Plan termination	—			—			(128		)	—
Total cost (credit)	$	62		$	(20	)	$	(122	)	$	8
U.S. Plans only	Pension						Post-retirement
For the Three Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015			2014
Service cost	$	29		$	23		$	—		$	1
Interest cost	63			62			1			2
Expected return on plan assets	(92		)	(87		)	—			—
Amortization of prior service credit	—			(2		)	1			—
Recognized actuarial loss (gain)	46			27			(1		)	(1		)
Net periodic benefit cost	$	46		$	23		$	1		$	2
Plan termination	—			—			—			—
Total cost	$	46		$	23		$	1		$	2

U.S. Plans only	Pension						Post-retirement
For the Six Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015			2014
Service cost	$	59		$	45		$	1		$	1
Interest cost	125			125			2			4
Expected return on plan assets	(184		)	(173		)	—			—
Amortization of prior service credit	—			(4		)	1			—
Recognized actuarial loss (gain)	91			53			(1		)	(1		)
Net periodic benefit cost	$	91		$	46		$	3		$	4
Plan termination	—			—			(128		)	—
Total cost (credit)	$	91		$	46		$	(125	)	$	4

In March 2015, the Company amended its U.S. Post-65 retiree medical reimbursement plan (the "RRA plan"), resulting in its termination, with benefits to certain participants paid through December 31, 2016. As a result of the termination of the RRA plan, the Company recognized a net credit of approximately $125 million in the first quarter of 2015.

Significant non-U.S. Plans only	Pension						Post-retirement
For the Three Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015		2014
Service cost	$	21		$	39		$	1	$	—
Interest cost	83			99			1		1
Expected return on plan assets	(151		)	(163		)	—		—
Amortization of prior service credit	—			(1		)	—		—
Recognized actuarial loss	32			26			—		1
Net periodic benefit (credit) cost	$	(15	)	$	—		$	2	$	2

Significant non-U.S. Plans only	Pension						Post-retirement
For the Six Months Ended June 30,	Benefits						Benefits
(In millions of dollars)	2015			2014			2015		2014
Service cost	$	43		$	78		$	1	$	1
Interest cost	167			197			2		2
Expected return on plan assets	(302		)	(325		)	—		—
Amortization of prior service cost	—			(2		)	—		—
Recognized actuarial loss	63			51			—		1
Net periodic benefit (credit) cost	$	(29	)	$	(1	)	$	3	$	4
Curtailment (credit)	—			(65		)	—		—
Total (credit) cost	$	(29	)	$	(66	)	$	3	$	4

Schedule of Assumptions Used

The weighted average actuarial assumptions utilized to calculate the net periodic benefit costs for the U.S. and significant non-U.S. defined benefit plans are as follows:

Combined U.S. and significant non-U.S. Plans	Pension Benefits				Post-retirement Benefits
June 30,	2015		2014		2015		2014
Weighted average assumptions:
Expected return on plan assets	7.25	%	7.53	%	—	%	—	%
Discount rate	3.79	%	4.74	%	4.08	%	5.03	%
Rate of compensation increase	2.42	%	2.64	%	—	%	—	%