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Retirement Plans (Tables) | 12 Months Ended
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May 31, 2017
Retirement Plan Tables [Abstract] |
Schedule of Retirement Plan Costs | A summary of our retirement plans costs over the past three years is as follows (in millions):
|  | 2017 |  |  | 2016 |  |  | 2015 |
Defined benefit pension plans |  | $ | 234 |  |  | $ | 214 |  |  | $ | (41 | )
Defined contribution plans |  |  | 480 |  |  |  | 416 |  |  |  | 385 |
Postretirement healthcare plans |  |  | 76 |  |  |  | 82 |  |  |  | 81 |
Retirement plans mark-to-market adjustment |  |  | (24 | ) |  |  | 1,498 |  |  |  | 2,190 |
|  | $ | 766 |  |  | $ | 2,210 |  |  | $ | 2,615 |
The components of the pre-tax mark-to-market adjustments are as follows (in millions):
|  | 2017 |  |  | 2016 |  |  | 2015 |
Actual versus expected return on assets |  | $ | (740 | ) |  | $ | 1,285 |  |  | $ | (35 | )
Discount rate changes |  |  | 266 |  |  |  | 1,129 |  |  |  | 791 |
Demographic assumption experience |  |  | 450 |  |  |  | (916 | ) |  |  | 1,434 |
Total mark-to-market (gain) loss |  | $ | (24 | ) |  | $ | 1,498 |  |  | $ | 2,190 |
Schedule of Weighted-Average Actuarial Assumptions Used to Determine the Benefit Obligations and Net Periodic Benefit Cost of Plans | Weighted-average actuarial assumptions used to determine the benefit obligations and net periodic benefit cost of our plans are as follows:
|  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |
|  | 2017 |  |  | 2016 |  |  | 2015 |  |  | 2017 |  |  | 2016 |  |  | 2015 |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Discount rate used to determine benefit obligation |  |  | 4.08 | % |  |  | 4.13 | % |  |  | 4.42 | % |  |  | 2.43 | % |  |  | 2.46 | % |  |  | 2.95 | % |  |  | 4.32 | % |  |  | 4.43 | % |  |  | 4.60 | %
Discount rate used to determine net periodic benefit cost |  |  | 4.13 |  |  |  | 4.42 |  |  |  | 4.60 |  |  |  | 2.46 |  |  |  | 2.95 |  |  |  | 3.57 |  |  |  | 4.43 |  |  |  | 4.62 |  |  |  | 4.70 |
Rate of increase in future compensation levels used to determine benefit obligation |  |  | 4.47 |  |  |  | 4.46 |  |  |  | 4.62 |  |  |  | 2.42 |  |  |  | 2.82 |  |  |  | 3.19 |  |  |  | — |  |  |  | — |  |  |  | — |
Rate of increase in future compensation levels used to determine net periodic benefit cost |  |  | 4.46 |  |  |  | 4.62 |  |  |  | 4.56 |  |  |  | 2.82 |  |  |  | 3.19 |  |  |  | 3.31 |  |  |  | — |  |  |  | — |  |  |  | — |
Expected long-term rate of return on assets - Consolidated |  |  | 6.50 |  |  |  | 6.50 |  |  |  | 7.75 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Expected long-term rate of return on assets - Segment Reporting |  |  | 6.50 |  |  |  | 6.50 |  |  |  | 6.50 |  |  |  | 3.18 |  |  |  | 3.68 |  |  |  | 5.13 |  |  |  | — |  |  |  | — |  |  |  | — |
Schedule of Plan Assets at Measurement Date | The fair values of investments by level and asset category and the weighted-average asset allocations for our U.S. Pension Plans and most significant international pension plans at the measurement date are presented in the following table (in millions):
|  | Plan Assets at Measurement Date |
|  | 2017 |
Asset Class (U.S. Plans) |  | Fair Value |  |  | Actual % |  |  | Target Range %(2) |  |  | Quoted Prices in Active Markets Level 1 |  |  | Other Observable Inputs Level 2 |  |  | Unobservable Inputs Level 3 |
Cash and cash equivalents |  | $ | 1,076 |  |  |  | 4 | % |  |  | 0 - 5 | % |  | $ | 26 |  |  | $ | 1,050 |  |  |  |  |
Equities |  |  |  |  |  |  |  |  |  | 30 - 50 |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. large cap equity(1) |  |  | 2,415 |  |  |  | 10 |  |  |  |  |  |  |  | 830 |  |  |  |  |  |  |  |  |
International equities(1) |  |  | 3,521 |  |  |  | 14 |  |  |  |  |  |  |  | 2,747 |  |  |  | 157 |  |  |  |  |
Global equities(1) |  |  | 3,276 |  |  |  | 13 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. SMID cap equity |  |  | 987 |  |  |  | 4 |  |  |  |  |  |  |  | 987 |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  | 50 - 70 |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  |  | 8,163 |  |  |  | 33 |  |  |  |  |  |  |  |  |  |  |  | 8,163 |  |  |  |  |
Government(1) |  |  | 4,674 |  |  |  | 19 |  |  |  |  |  |  |  |  |  |  |  | 3,454 |  |  |  |  |
Mortgage-backed and other(1) |  |  | 603 |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  | 129 |  |  |  |  |
Alternative investments(1) |  |  | 377 |  |  |  | 2 |  |  | 0 - 5 |  |  |  |  |  |  |  |  |  |  | $ | 129 |
Other |  |  | (159 | ) |  |  | (1 | ) |  |  |  |  |  |  | (161 | ) |  |  | 2 |  |  |  |  |
Total U.S. plan assets |  | $ | 24,933 |  |  |  | 100 | % |  |  |  |  |  | $ | 4,429 |  |  | $ | 12,955 |  |  | $ | 129 |
Asset Class (International Plans) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 48 |  |  |  | 4 | % |  |  |  |  |  | $ | 2 |  |  | $ | 46 |  |  |  |  |
Equities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
International equities(1) |  |  | 137 |  |  |  | 11 |  |  |  |  |  |  |  |  |  |  |  | 72 |  |  |  |  |
Global equities(1) |  |  | 202 |  |  |  | 17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate(1) |  |  | 270 |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  | 49 |  |  |  |  |
Government(1) |  |  | 405 |  |  |  | 34 |  |  |  |  |  |  |  | 95 |  |  |  | 230 |  |  |  |  |
Mortgage-backed and other(1) |  |  | 145 |  |  |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative investments |  |  | 17 |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  | 17 |  |  |  |  |
Other |  |  | (18 | ) |  |  | (1 | ) |  |  |  |  |  |  | (2 | ) |  |  | (16 | ) |  |  |  |
Total International plan assets |  | $ | 1,206 |  |  |  | 100 | % |  |  |  |  |  | $ | 95 |  |  | $ | 398 |  |  |  |  |
(1) | Certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy but are included in the total.
(2) | Target ranges have not been provided for international plan assets as they are managed at an individual country level.
|  | Plan Assets at Measurement Date |
|  | 2016 |
Asset Class (U.S. Plans) |  | Fair Value |  |  | Actual % |  |  | Target Range %(2) |  |  | Quoted Prices in Active Markets Level 1 |  |  | Other Observable Inputs Level 2 |  |  | Unobservable Inputs Level 3 |
Cash and cash equivalents |  | $ | 568 |  |  |  | 2 | % |  |  | 0 - 5 | % |  | $ | 76 |  |  | $ | 492 |  |  |  |  |
Equities |  |  |  |  |  |  |  |  |  | 35 - 55 |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. large cap equity(1) |  |  | 3,257 |  |  |  | 14 |  |  |  |  |  |  |  | 750 |  |  |  |  |  |  |  |  |
International equities(1) |  |  | 3,381 |  |  |  | 15 |  |  |  |  |  |  |  | 2,685 |  |  |  | 121 |  |  |  |  |
Global equities(1) |  |  | 2,794 |  |  |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. SMID cap equity |  |  | 913 |  |  |  | 4 |  |  |  |  |  |  |  | 913 |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  | 45 - 65 |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  |  | 6,608 |  |  |  | 29 |  |  |  |  |  |  |  |  |  |  |  | 6,608 |  |  |  |  |
Government |  |  | 5,148 |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  | 5,148 |  |  |  |  |
Mortgage-backed and other(1) |  |  | 347 |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  | 146 |  |  |  |  |
Alternative investments(1) |  |  | 322 |  |  |  | 1 |  |  | 0 - 5 |  |  |  |  |  |  |  |  |  |  | $ | 48 |
Other |  |  | (321 | ) |  |  | (1 | ) |  |  |  |  |  |  | (305 | ) |  |  | (16 | ) |  |  |  |
Total U.S. plan assets |  | $ | 23,017 |  |  |  | 100 | % |  |  |  |  |  | $ | 4,119 |  |  | $ | 12,499 |  |  | $ | 48 |
Asset Class (International Plans) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 211 |  |  |  | 19 | % |  |  |  |  |  | $ | 157 |  |  | $ | 54 |  |  |  |  |
Equities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
International equities(1) |  |  | 124 |  |  |  | 11 |  |  |  |  |  |  |  |  |  |  |  | 63 |  |  |  |  |
Global equities(1) |  |  | 148 |  |  |  | 14 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate(1) |  |  | 122 |  |  |  | 11 |  |  |  |  |  |  |  |  |  |  |  | 44 |  |  |  |  |
Government(1) |  |  | 324 |  |  |  | 30 |  |  |  |  |  |  |  | 60 |  |  |  | 213 |  |  |  |  |
Mortgage-backed and other(1) |  |  | 134 |  |  |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative investments(1) |  |  | 39 |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  | 18 |  |  |  |  |
Other |  |  | (10 | ) |  |  | (1 | ) |  |  |  |  |  |  | (14 | ) |  |  | 4 |  |  |  |  |
Total International plan assets |  | $ | 1,092 |  |  |  | 100 | % |  |  |  |  |  | $ | 203 |  |  | $ | 396 |  |  |  |  |
(1) | Certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy but are included in the total.
(2) | Target ranges have not been provided for international plan assets as they are managed at an individual country level.
Schedule of Change in Fair Value of Level 3 Assets | The change in fair value of Level 3 assets that use significant unobservable inputs is shown in the table below (in millions):
|  | U.S. Pension Plans |  |
|  | 2017 |  |  | 2016 |  |
Balance at beginning of year |  | $ | 48 |  |  | $ | — |  |
Actual return on plan assets: |  |  |  |  |  |  |  |  |
Assets held during current year |  |  | 5 |  |  |  | 2 |  |
Assets sold during the year |  |  | 1 |  |  |  | — |  |
Purchases, sales and settlements |  |  | 75 |  |  |  | 46 |  |
Balance at end of year |  | $ | 129 |  |  | $ | 48 |  |
Schedule of Changes in the Pension and Postretirement Healthcare Plans' Benefit Obligation and Fair Value of Assets and Funded Status | The following table provides a reconciliation of the changes in the pension and postretirement healthcare plans’ benefit obligations and fair value of assets over the two-year period ended May 31, 2017 and a statement of the funded status as of May 31, 2017 and 2016 (in millions):
|  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Accumulated Benefit Obligation (“ABO”) |  | $ | 27,244 |  |  | $ | 27,236 |  |  | $ | 1,842 |  |  | $ | 1,609 |  |  |  |  |  |  |  |  |
Changes in Projected Benefit Obligation (“PBO”) and Accumulated Postretirement Benefit Obligation (“APBO”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PBO/APBO at the beginning of year |  | $ | 27,804 |  |  | $ | 26,636 |  |  | $ | 1,798 |  |  | $ | 876 |  |  | $ | 905 |  |  | $ | 929 |
Service cost |  |  | 638 |  |  |  | 622 |  |  |  | 83 |  |  |  | 40 |  |  |  | 36 |  |  |  | 40 |
Interest cost |  |  | 1,128 |  |  |  | 1,155 |  |  |  | 43 |  |  |  | 25 |  |  |  | 39 |  |  |  | 42 |
Actuarial loss |  |  | 571 |  |  |  | 284 |  |  |  | 161 |  |  |  | (7 | ) |  |  | (14 | ) |  |  | (64 | )
Benefits paid |  |  | (2,271 | ) |  |  | (893 | ) |  |  | (38 | ) |  |  | (19 | ) |  |  | (72 | ) |  |  | (78 | )
Business acquisition |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 907 |  |  |  | — |  |  |  | — |
Purchase accounting adjustment |  |  | — |  |  |  | — |  |  |  | 26 |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | — |  |  |  | — |  |  |  | (30 | ) |  |  | (24 | ) |  |  | 33 |  |  |  | 36 |
PBO/APBO at the end of year |  | $ | 27,870 |  |  | $ | 27,804 |  |  | $ | 2,043 |  |  | $ | 1,798 |  |  | $ | 927 |  |  | $ | 905 |
Change in Plan Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at the beginning of year |  | $ | 23,017 |  |  | $ | 23,006 |  |  | $ | 1,254 |  |  | $ | 499 |  |  | $ | — |  |  | $ | — |
Actual return on plan assets |  |  | 2,167 |  |  |  | 211 |  |  |  | 112 |  |  |  | 12 |  |  |  | — |  |  |  | — |
Company contributions |  |  | 2,020 |  |  |  | 693 |  |  |  | 95 |  |  |  | 33 |  |  |  | 36 |  |  |  | 42 |
Benefits paid |  |  | (2,271 | ) |  |  | (893 | ) |  |  | (38 | ) |  |  | (19 | ) |  |  | (72 | ) |  |  | (78 | )
Business acquisition |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 761 |  |  |  | — |  |  |  | — |
Other |  |  | — |  |  |  | — |  |  |  | (44 | ) |  |  | (32 | ) |  |  | 36 |  |  |  | 36 |
Fair value of plan assets at the end of year |  | $ | 24,933 |  |  | $ | 23,017 |  |  | $ | 1,379 |  |  | $ | 1,254 |  |  | $ | — |  |  | $ | — |
Funded Status of the Plans |  | $ | (2,937 | ) |  | $ | (4,787 | ) |  | $ | (664 | ) |  | $ | (544 | ) |  | $ | (927 | ) |  | $ | (905 | )
Amount Recognized in the Balance Sheet at May 31: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncurrent asset |  | $ | — |  |  | $ | — |  |  | $ | 40 |  |  | $ | 53 |  |  | $ | — |  |  | $ | — |
Current pension, postretirement healthcare and other benefit obligations |  |  | (33 | ) |  |  | (19 | ) |  |  | (17 | ) |  |  | (12 | ) |  |  | (39 | ) |  |  | (40 | )
Noncurrent pension, postretirement healthcare and other benefit obligations |  |  | (2,904 | ) |  |  | (4,768 | ) |  |  | (687 | ) |  |  | (585 | ) |  |  | (888 | ) |  |  | (865 | )
Net amount recognized |  | $ | (2,937 | ) |  | $ | (4,787 | ) |  | $ | (664 | ) |  | $ | (544 | ) |  | $ | (927 | ) |  | $ | (905 | )
Amounts Recognized in AOCI and not yet reflected in Net Periodic Benefit Cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service credit and other |  | $ | (410 | ) |  | $ | (528 | ) |  | $ | (13 | ) |  | $ | (18 | ) |  | $ | (4 | ) |  | $ | — |
Amounts Recognized in AOCI and not yet reflected in Net Periodic Benefit Cost expected to be amortized in next year’s Net Periodic Benefit Cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service credit and other |  | $ | (118 | ) |  | $ | (118 | ) |  | $ | (2 | ) |  | $ | (3 | ) |  | $ | — |  |  | $ | — |
Schedule of Components of Pension Plans | Our pension plans included the following components at May 31 (in millions):
|  | PBO |  |  | Fair Value of Plan Assets |  |  | Funded Status |
2017 |  |  |  |  |  |  |  |  |  |  |  |
Qualified |  | $ | 27,600 |  |  | $ | 24,933 |  |  | $ | (2,667 | )
Nonqualified |  |  | 270 |  |  |  | — |  |  |  | (270 | )
International Plans |  |  | 2,043 |  |  |  | 1,379 |  |  |  | (664 | )
Total |  | $ | 29,913 |  |  | $ | 26,312 |  |  | $ | (3,601 | )
2016 |  |  |  |  |  |  |  |  |  |  |  |
Qualified |  | $ | 27,543 |  |  | $ | 23,017 |  |  | $ | (4,526 | )
Nonqualified |  |  | 261 |  |  |  | — |  |  |  | (261 | )
International Plans |  |  | 1,798 |  |  |  | 1,254 |  |  |  | (544 | )
Total |  | $ | 29,602 |  |  | $ | 24,271 |  |  | $ | (5,331 | )
Schedule of Fair Value of Plan Assets for Pension Plans with an Obligation in Excess of Plan Assets | The table above provides the PBO, fair value of plan assets and funded status of our pension plans on an aggregated basis. The following table presents our plans on a disaggregated basis to show those plans (as a group) whose assets did not exceed their liabilities. The fair value of plan assets for pension plans with a PBO or ABO in excess of plan assets at May 31 were as follows (in millions):
|  | PBO Exceeds the Fair Value of Plan Assets |
|  | 2017 |  |  | 2016 |
U.S. Pension Benefits |  |  |  |  |  |  |  |
Fair value of plan assets |  | $ | 24,933 |  |  | $ | 23,017 |
PBO |  |  | (27,870 | ) |  |  | (27,804 | )
Net funded status |  | $ | (2,937 | ) |  | $ | (4,787 | )
International Pension Benefits |  |  |  |  |  |  |  |
Fair value of plan assets |  | $ | 952 |  |  | $ | 850 |
PBO |  |  | (1,656 | ) |  |  | (1,447 | )
Net funded status |  | $ | (704 | ) |  | $ | (597 | )
|  | ABO Exceeds the Fair Value of Plan Assets |
|  | 2017 |  |  | 2016 |
U.S. Pension Benefits |  |  |  |  |  |  |  |
ABO(1) |  | $ | (27,244 | ) |  | $ | (27,236 | )
Fair value of plan assets |  |  | 24,933 |  |  |  | 23,017 |
PBO |  |  | (27,870 | ) |  |  | (27,804 | )
Net funded status |  | $ | (2,937 | ) |  | $ | (4,787 | )
International Pension Benefits |  |  |  |  |  |  |  |
ABO(1) |  | $ | (1,433 | ) |  | $ | (1,257 | )
Fair value of plan assets |  |  | 928 |  |  |  | 848 |
PBO |  |  | (1,626 | ) |  |  | (1,445 | )
Net funded status |  | $ | (698 | ) |  | $ | (597 | )
(1) | ABO not used in determination of funded status.
Schedule Of Pension Plans Contributions | Contributions to our U.S. Pension Plans for the years ended May 31 were as follows (in millions):
|  | 2017 |  |  | 2016 |
Required |  | $ | 459 |  |  | $ | 8 |
Voluntary |  |  | 1,541 |  |  |  | 652 |
|  | $ | 2,000 |  |  | $ | 660 |
Schedule of Net Periodic Benefit Cost | Net periodic benefit cost for the three years ended May 31 were as follows (in millions):
|  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |
|  | 2017 |  |  | 2016 |  |  | 2015 |  |  | 2017 |  |  | 2016 |  |  | 2015 |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Service cost |  | $ | 638 |  |  | $ | 622 |  |  | $ | 615 |  |  | $ | 83 |  |  | $ | 40 |  |  | $ | 38 |  |  | $ | 36 |  |  | $ | 40 |  |  | $ | 40 |
Interest cost |  |  | 1,128 |  |  |  | 1,155 |  |  |  | 1,068 |  |  |  | 43 |  |  |  | 25 |  |  |  | 28 |  |  |  | 39 |  |  |  | 42 |  |  |  | 41 |
Expected return on plan assets |  |  | (1,501 | ) |  |  | (1,490 | ) |  |  | (1,655 | ) |  |  | (38 | ) |  |  | (18 | ) |  |  | (23 | ) |  |  | — |  |  |  | — |  |  |  | — |
Amortization of prior service credit |  |  | (118 | ) |  |  | (118 | ) |  |  | (112 | ) |  |  | (2 | ) |  |  | (3 | ) |  |  | (3 | ) |  |  | — |  |  |  | — |  |  |  | — |
Actuarial losses (gains) and other |  |  | (95 | ) |  |  | 1,563 |  |  |  | 2,154 |  |  |  | 87 |  |  |  | (1 | ) |  |  | 36 |  |  |  | (14 | ) |  |  | (64 | ) |  |  | 6 |
Net periodic benefit cost |  | $ | 52 |  |  | $ | 1,732 |  |  | $ | 2,070 |  |  | $ | 173 |  |  | $ | 43 |  |  | $ | 76 |  |  | $ | 61 |  |  | $ | 18 |  |  | $ | 87 |
Schedule of Amounts Recognized in Other Comprehensive Income for All Plans | Amounts recognized in other comprehensive income (“OCI”) for all plans for the years ended May 31 were as follows (in millions):
|  | 2017 |  |  | 2016 |
|  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |  |  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |
|  | Gross Amount |  |  | Net of Tax Amount |  |  | Gross Amount |  |  | Net of Tax Amount |  |  | Gross Amount |  |  | Net of Tax Amount |  |  | Gross Amount |  |  | Net of Tax Amount |  |  | Gross Amount |  |  | Net of Tax Amount |  |  | Gross Amount |  |  | Net of Tax Amount |
Prior service cost (credit) arising during period |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | (3 | ) |  | $ | (2 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Amortizations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior services credit |  |  | 118 |  |  |  | 74 |  |  |  | 2 |  |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | 118 |  |  |  | 74 |  |  |  | 3 |  |  |  | 2 |  |  |  | — |  |  |  | — |
Total recognized in OCI |  | $ | 118 |  |  | $ | 74 |  |  | $ | 3 |  |  | $ | 3 |  |  | $ | (3 | ) |  | $ | (2 | ) |  | $ | 118 |  |  | $ | 74 |  |  | $ | 3 |  |  | $ | 2 |  |  | $ | — |  |  | $ | — |
Schedule of Expected Future Benefit Payments | Benefit payments, which reflect expected future service, are expected to be paid as follows for the years ending May 31 (in millions):
|  | U.S. Pension Plans |  |  | International Pension Plans |  |  | Postretirement Healthcare Plans |
2018 |  | $ | 1,013 |  |  | $ | 44 |  |  | $ | 39 |
2019 |  |  | 1,070 |  |  |  | 43 |  |  |  | 40 |
2020 |  |  | 1,169 |  |  |  | 48 |  |  |  | 42 |
2021 |  |  | 1,233 |  |  |  | 53 |  |  |  | 42 |
2022 |  |  | 1,345 |  |  |  | 59 |  |  |  | 43 |
2023-2027 |  |  | 8,565 |  |  |  | 789 |  |  |  | 246 |

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