Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Assumptions Used [Table Text Block]

Certain weighted-average actuarial assumptions used to determine benefit obligations of our international pension plans at December 31 were as follows:

	2014	2013
Discount rate	4.1%	4.8%
Rate of compensation increase	5.3%	5.5%

Certain weighted-average actuarial assumptions used to determine net periodic benefit cost of our international pension plans for the years ended December 31 were as follows:

	2014	2013	2012
Discount rate	4.8%	4.8%	5.2%
Expected long-term return on plan assets	6.4%	6.4%	6.5%
Rate of compensation increase	5.4%	5.5%	5.4%

Schedule of Expected Benefit Payments [Table Text Block]

The following table presents expected benefit payments over the next 10 years for our international pension plans.

Millions of dollars
2015	$	46
2016	35
2017	37
2018	36
2019	43
Years 2020 - 2024	341

Schedule of Net Benefit Costs [Table Text Block]

The following table presents additional information about our international pension plans.

	December 31
Millions of dollars	2014		2013
Amounts recognized on the Consolidated Balance Sheets
Accrued employee compensation and benefits	$	22	$	17
Employee compensation and benefits	325		251
Pension plans in which projected benefit obligation exceeded plan assets
Projected benefit obligation	$	1,232	$	1,123
Fair value of plan assets	884		854
Pension plans in which accumulated benefit obligation exceeded plan assets
Accumulated benefit obligation	$	1,120	$	1,046
Fair value of plan assets	860		854

Schedule of Allocation of Plan Assets [Table Text Block]

The following table sets forth by level within the fair value hierarchy the fair value of assets held by our international pension plans.

Millions of dollars	Level 1		Level 2		Level 3		Total
Common/collective trust funds
Equity funds (a)	$	—	$	320	$	—	$	320
Bond funds (b)	—		197		70		267
Alternatives fund (c)	—		148		—		148
Real estate funds (d)	—		86		—		86
Other assets	6		33		31		70
Fair value of plan assets at December 31, 2014	$	6	$	784	$	101	$	891
Common/collective trust funds (e)
Equity funds	$	—	$	247	$	—	$	247
Bond funds	—		118		—		118
Balanced funds	—		13		—		13
Non-United States equity securities	165		—		—		165
United States equity securities	139		—		—		139
Corporate bonds	—		110		—		110
Other assets	2		59		34		95
Fair value of plan assets at December 31, 2013	$	306	$	547	$	34	$	887