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Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Service cost | $ 90 | $ 82 | $ 70
Interest cost | 144 | 160 | 131
Expected return on plan assets | (178) | (174) | (169)
Amortization of prior service cost (credit) | 6 | 6 | 5
Recognition of actuarial loss (gain) | (95) | 394 |
Total net periodic benefit expense | 227 | 103 | 7
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Curtailment effects |  | (3) |
Settlements | (1) | (2) |
Current year actuarial loss (gain) | 191 | 212 | (264)
Recognition of actuarial (loss) gain | (165) | (29) | 30
Current year prior service cost |  | 25 |
Amortization of prior service (cost) credit | (6) | (6) | (5)
Total recognized in other comprehensive (income) loss | 19 | 197 | (239)
Total recognized in net periodic benefit cost and other comprehensive (income) loss | 246 | 300 | (232)
Recognition of Actuarial Gain [Member] |  |  |
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Recognition of actuarial loss (gain) | 165 | 29 | (30)
United States Pension Plan of US Entity [Member] |  |  |
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Service cost | 64 | 55 | 60
Interest cost | 126 | 137 | 115
Expected return on plan assets | (166) | (159) | (158)
Amortization of prior service cost (credit) | 7 | 7 | 6
Recognition of actuarial loss (gain) | (87) | 327 |
Total net periodic benefit expense | 193 | 44 | (18)
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Current year actuarial loss (gain) | 189 | 198 | (274)
Recognition of actuarial (loss) gain | (162) | (4) | 41
Current year prior service cost |  | 25 |
Amortization of prior service (cost) credit | (7) | (7) | (6)
Total recognized in other comprehensive (income) loss | 20 | 212 | (239)
Total recognized in net periodic benefit cost and other comprehensive (income) loss | 213 | 256 | (257)
United States Pension Plan of US Entity [Member] | Recognition of Actuarial Gain [Member] |  |  |
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Recognition of actuarial loss (gain) | 162 | 4 | (41)
Foreign Pension Plan [Member] |  |  |
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Service cost | 26 | 27 | 10
Interest cost | 18 | 23 | 16
Expected return on plan assets | (12) | (15) | (11)
Amortization of prior service cost (credit) | (1) | (1) | (1)
Recognition of actuarial loss (gain) | (8) | 67 |
Total net periodic benefit expense | 34 | 59 | 25
Other changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |
Curtailment effects |  | (3) |
Settlements | (1) | (2) |
Current year actuarial loss (gain) | 2 | 14 | 10
Recognition of actuarial (loss) gain | (3) | (25) | (11)
Amortization of prior service (cost) credit | 1 | 1 | 1
Total recognized in other comprehensive (income) loss | (1) | (15) | 0
Total recognized in net periodic benefit cost and other comprehensive (income) loss | 33 | 44 | 25
Foreign Pension Plan [Member] | Recognition of Actuarial Gain [Member] |  |  |
Note 13 - Employee Retirement Plans (Details) - Net Periodic Benefit Expense [Line Items] |  |  |
Recognition of actuarial loss (gain) | $ 3 | $ 25 | $ 11

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- Definition Amount after tax of gain (loss) adjustment to other comprehensive income (loss) resulting from curtailment of defined benefit pension and other postretirement defined benefit plans. + References No definition available. + Details
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- Definition Amount after tax of gain (loss) adjustment to other comprehensive income (loss) resulting from settlement of defined benefit pension and other postretirement defined benefit plans. + References No definition available. + 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 or loss, prior service cost or credit, transition asset or obligation, but not including the gain or loss due to settlements or curtailments). Including, amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement. + References No definition available. + 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 or loss, prior service cost or credit, transition asset or obligation, but not including the gain or loss due to settlements or curtailments). + References No definition available. + Details
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- Definition Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Gain or Loss -URI http://asc.fasb.org/extlink&oid=49168827 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)(4) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation. + 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)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 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 + 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=58740216&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=58740216&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=58740216&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=58740216&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=58740216&loc=d3e1928-114920 + Details
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- Definition Amount after 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 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 2: 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=36458714&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&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=58740216&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=36458714&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=58740216&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=36458714&loc=d3e637-108580 + Details
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