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Postretirement Benefit Plans - Schedule of Change in AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward |  |  |
AOCI balance, net actuarial loss portion (net of taxes), beginning of period | $ 550 |  |
Adjustments, net actuarial loss | 49 |  |
Recognized within Net income, net actuarial loss | (76) |  |
Tax effect, net actuarial loss | 19 |  |
Total change to AOCI, net actuarial loss | (8) |  |
AOCI balance, net actuarial loss portion (net of taxes), period end | 542 | $ 550 |
Defined benefit plan amounts recognized in other comprehensive income prior service credit portion roll forward |  |  |
AOCI balance, net prior service credit (net of taxes), beginning of period | (20) |  |
Adjustments, prior service credit | 0 |  |
Recognized within Net income, prior service credit | 5 |  |
Tax effect, prior service credit | (2) | 0 | $ 0
Total change to AOCI, prior service credit | 3 |  |
AOCI balance, net prior service credit (net of taxes), period end | (17) | (20) |
U.S. defined benefit plan |  |  |
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward |  |  |
AOCI balance, net actuarial loss portion (net of taxes), beginning of period | 167 |  |
Adjustments, net actuarial loss | (10) |  |
Recognized within Net income, net actuarial loss | (42) |  |
Tax effect, net actuarial loss | 18 |  |
Total change to AOCI, net actuarial loss | (34) |  |
AOCI balance, net actuarial loss portion (net of taxes), period end | 133 | 167 |
U.S. retiree health care plan |  |  |
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward |  |  |
AOCI balance, net actuarial loss portion (net of taxes), beginning of period | 80 |  |
Adjustments, net actuarial loss | (27) |  |
Recognized within Net income, net actuarial loss | (7) |  |
Tax effect, net actuarial loss | 12 |  |
Total change to AOCI, net actuarial loss | (22) |  |
AOCI balance, net actuarial loss portion (net of taxes), period end | 58 | 80 |
Defined benefit plan amounts recognized in other comprehensive income prior service credit portion roll forward |  |  |
AOCI balance, net prior service credit (net of taxes), beginning of period | (13) |  |
Adjustments, prior service credit | 0 |  |
Recognized within Net income, prior service credit | 3 |  |
Tax effect, prior service credit | (1) |  |
Total change to AOCI, prior service credit | 2 |  |
AOCI balance, net prior service credit (net of taxes), period end | (11) | (13) |
Non-U.S. defined benefit plan |  |  |
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward |  |  |
AOCI balance, net actuarial loss portion (net of taxes), beginning of period | 303 |  |
Adjustments, net actuarial loss | 86 |  |
Recognized within Net income, net actuarial loss | (27) |  |
Tax effect, net actuarial loss | (11) |  |
Total change to AOCI, net actuarial loss | 48 |  |
AOCI balance, net actuarial loss portion (net of taxes), period end | 351 | 303 |
Defined benefit plan amounts recognized in other comprehensive income prior service credit portion roll forward |  |  |
AOCI balance, net prior service credit (net of taxes), beginning of period | (7) |  |
Adjustments, prior service credit | 0 |  |
Recognized within Net income, prior service credit | 2 |  |
Tax effect, prior service credit | (1) |  |
Total change to AOCI, prior service credit | 1 |  |
AOCI balance, net prior service credit (net of taxes), period end | $ (6) | $ (7) |

X
- Definition The aggregate net actuarial losses or gains recognized in other comprehensive income, including amounts arising during the period and reclassification adjustments of other comprehensive income as a result of being recognized as components of net actuarial losses for the period. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition The aggregate prior service cost recognized in other comprehensive income, including amounts arising during the period and reclassification adjustments of other comprehensive income as a result of being recognized as components of prior service costs for the period. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Tax effects of the net changes to accumulated comprehensive income during the period related to benefit plans that is attributable to actuarial net loss. + References No definition available. + Details
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- Definition After tax net amount of gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
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- Definition Amount after tax of cost (credit) due to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as a component of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prior Service Cost -URI http://asc.fasb.org/extlink&oid=49177896 + Details
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- Definition Amount before tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prior Service Cost -URI http://asc.fasb.org/extlink&oid=49177896 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -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 -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 5: 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 Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans. + 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 (j) -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 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -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 -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 + Details
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- Definition Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 + Details
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- Definition Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580 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)(4) -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 -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 Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -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 -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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