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Employee Benefits - Pension Plans Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Percentage of the Company's projected benefit obligation | 93.00% |
U.S. Pension Plan [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Plans with PBO in excess of the fair value of plan assets, PBO | $ 3,200 | $ 3,300
Plans with ABO in excess of the fair value of plan assets, ABO | 3,200 | 3,300
Plans with ABO in excess of the fair value of plan assets, fair value of plan assets | 2,000 | 2,000
Future amortization of loss | 52 |
U.K. [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Plans with PBO in excess of the fair value of plan assets, PBO | 1,200 | 1,300
Plans with ABO in excess of the fair value of plan assets, ABO | 1,200 | 1,300
Plans with ABO in excess of the fair value of plan assets, fair value of plan assets | 1,100 | 1,100
Plans with PBO in excess of the fair value of plan assets | 1,100 | 1,100
Future amortization of loss | 47 |
Other [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Plans with PBO in excess of the fair value of plan assets, PBO | 1,200 | 1,400
Plans with ABO in excess of the fair value of plan assets, ABO | 1,100 | 1,300
Plans with ABO in excess of the fair value of plan assets, fair value of plan assets | 1,000 | 1,200
Plans with PBO in excess of the fair value of plan assets | $ 1,000 | $ 1,200

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- Definition Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=58242635&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2417-114920 + Details
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- Definition If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=58242635&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2417-114920 + Details
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