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Employee Benefit Obligations - Components of net periodic benefit cost (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2017
Defined Benefit Pension Plans |  |  |  |  |
Ball-sponsored plans: |  |  |  |  |
Service cost | $ 16 | $ 15 | $ 32 | $ 30 |
Interest cost | 55 | 20 | 110 | 39 |
Expected return on plan assets | (59) | (23) | (118) | (45) |
Recognized net actuarial loss | 10 | 9 | 20 | 18 |
Settlements/curtailments/special termination |  | 80 |  | 80 |
Net periodic benefit cost | 22 | 101 | 44 | 122 |
Multi-employer plans: |  |  |  |  |
Net periodic benefit cost for multiemployer plans | 1 |  | 2 | 1 |
Total net periodic benefit cost | 23 | 101 | 46 | 123 |
Defined Benefit Pension Plan Not Including German Swedish And Certain U S Plans | unfunded plan |  |  |  |  |
Multi-employer plans: |  |  |  |  |
Contributions to pension plans |  |  | 110 | 28 |
Defined Benefit Pension Plan Not Including German Swedish And Certain U S Plans | Forecast | unfunded plan |  |  |  |  |
Multi-employer plans: |  |  |  |  |
Expected contributions to pension plans for the full year |  |  |  |  | $ 190
U.S. |  |  |  |  |
Ball-sponsored plans: |  |  |  |  |
Service cost | 12 | 12 | 24 | 24 |
Interest cost | 33 | 15 | 66 | 30 |
Expected return on plan assets | (33) | (18) | (66) | (36) |
Recognized net actuarial loss | 9 | 8 | 18 | 15 |
Net periodic benefit cost | 21 | 17 | 42 | 33 |
Multi-employer plans: |  |  |  |  |
Net periodic benefit cost for multiemployer plans | 1 |  | 2 | 1 |
Total net periodic benefit cost | 22 | 17 | 44 | 34 |
Foreign Plans |  |  |  |  |
Ball-sponsored plans: |  |  |  |  |
Service cost | 4 | 3 | 8 | 6 |
Interest cost | 22 | 5 | 44 | 9 |
Expected return on plan assets | (26) | (5) | (52) | (9) |
Recognized net actuarial loss | 1 | 1 | 2 | 3 |
Settlements/curtailments/special termination |  | 80 |  |  |
Net periodic benefit cost | 1 |  | 2 | 89 |
Multi-employer plans: |  |  |  |  |
Total net periodic benefit cost | $ 1 | 84 | 2 | 89 |
Defined Benefit German Swedish And Certain U S Plans | unfunded plan |  |  |  |  |
Multi-employer plans: |  |  |  |  |
Payments to participants |  |  | $ 12 | 9 |
Minimum | Defined Benefit German Swedish And Certain U S Plans | Forecast | unfunded plan |  |  |  |  |
Multi-employer plans: |  |  |  |  |
Expected benefit payments to plan participants for the full year |  |  |  |  | 20
Maximum | Defined Benefit German Swedish And Certain U S Plans | Forecast | unfunded plan |  |  |  |  |
Multi-employer plans: |  |  |  |  |
Expected benefit payments to plan participants for the full year |  |  |  |  | $ 24
Divestment Business | Foreign Plans |  |  |  |  |
Ball-sponsored plans: |  |  |  |  |
Settlements/curtailments/special termination |  |  |  | $ 80 |
Net periodic benefit cost |  | $ 84 |  |  |

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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to restructuring within the entity. + References No definition available. + Details
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- Definition The amount of benefits expected to be paid to the participants in the current fiscal period. + References No definition available. + Details
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- Definition The employer's best estimate of contributions expected to be paid to the plan in the current fiscal period. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. + References No definition available. + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans excluding the contributions to the multiemployer plans for the period. + References No definition available. + Details
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- Definition The amount of gains or losses recognized in net periodic benefit cost. + 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 (h)(4) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Benefits -URI http://asc.fasb.org/extlink&oid=49170737 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Postretirement Benefits -URI http://asc.fasb.org/extlink&oid=6521376 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(5) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 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)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + 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 (h)(2) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 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)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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