This represents the percentage of plan assets related to combined plans in the United Kingdom.

No definition available.

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- Definition

The amount of defined contribution plan cost recognized during the period for employees under collective bargaining agreements and certain international employees.

+ References

No definition available.

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- Definition

Represents the percentage of the first 6% of an employee's contribution that the company will contribute towards an employee's retirement.

+ References

No definition available.

+ Details

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- Definition

The percentage of employee contribution eligible to receive a matching contribution from the company.

+ References

No definition available.

+ Details

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- Definition

The vesting period for nondiscretionary contributions made by the company.

+ References

No definition available.

+ Details

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- Definition

For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Accumulated Benefit Obligation
-URI http://asc.fasb.org/extlink&oid=6503844

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Curtailment
-URI http://asc.fasb.org/extlink&oid=6520938

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(7)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Section 15
-Paragraph 6
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

The ultimate trend rate for health care costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Details

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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosures [Line Items]
Curtailment gain		$ (8)
Defined Contribution Plans
Defined Benefit Plan Disclosures [Line Items]
Percentage of defined pay the Company contributes on behalf of each eligible employee's retirement plan account (in hundredths)	3.00%
Vesting period for the company's retirement contributions	3 years
Matching contribution percentage each employee is eligible to receive (of the first 6% of pay contributed) (in hundredths)	100.00%
Percentage of employee contribution eligible for the company's matching contribution (in hundredths)	6.00%
Expense under Retirement Savings Plan	$ 67	77	$ 77
Expense with respect to these various defined contribution and government-mandated plans	57	73	83
Pension Benefits
Defined Benefit Plan Disclosures [Line Items]
Curtailment gain	0	12	0
Accumulated benefit obligation for defined benefit pension plans	392	469
Expected contributions to plan assets for the next fiscal year	$ 9
U.K. Pension Plan
Defined Benefit Plan Disclosures [Line Items]
Defined benefit plan assets for plan benefits United Kingdom percentage (in hundredths)	89.00%
U.K. Pension Plan \| Equity securities
Defined Benefit Plan Disclosures [Line Items]
Future target allocation (in hundredths)	33.00%
U.K. Pension Plan \| Fixed income debt securities, cash and other
Defined Benefit Plan Disclosures [Line Items]
Future target allocation (in hundredths)	8.00%
U.K. Pension Plan \| Real Estate and Other
Defined Benefit Plan Disclosures [Line Items]
Future target allocation (in hundredths)	59.00%
U. S. Postretirement Benefits
Defined Benefit Plan Disclosures [Line Items]
Curtailment gain	$ 0	$ 0	$ 0
Ultimate health care cost trend rate (in hundredths)	5.00%