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Commitments and Contingencies (Details) $ in Millions | Mar. 31, 2017 USD ($)
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Purchase commitments, fiscal year maturity [Abstract] |
Remainder of 2017 | $ 115
2018 | 77
2019 | 50
2020 | 42
2021 | 26
Thereafter | 134
Loss Contingencies [Line Items] |
Loss contingency | 60
Letters of Credit [Member] | UBS Revolver [Member] |
Loss Contingencies [Line Items] |
Loss contingency | 35
Bank Guarantees [Member] | Standard Bank [Member] |
Loss Contingencies [Line Items] |
Loss contingency | 5
Performance Bonds [Member] | Westpac Banking Corporation [Member] |
Loss Contingencies [Line Items] |
Loss contingency | 2
Bank Guarantees and Letters of Credit [Member] | ABSA Revolver [Member] |
Loss Contingencies [Line Items] |
Loss contingency | $ 18

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- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308 + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308 + Details
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