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RETIREMENT AND OTHER BENEFIT PROGRAMS (Tables) | 12 Months Ended
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Dec. 31, 2017
Compensation And Retirement Disclosure [Abstract] |
Reconciliation of Pension and OPEB Plan Obligations, Assets and Funded Status | The benefit plan information in the table below pertains to all of the company’s pension and OPEB plans, both in the United States and in other countries.
|  | Pension benefits |  |  | OPEB |
as of and for the years ended December 31 (in millions) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Benefit obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  | $ | 5,717 |  |  | $ | 5,423 |  |  | $ | 243 |  |  | $ | 266 |
Service cost |  |  | 91 |  |  |  | 93 |  |  |  | 1 |  |  |  | 2 |
Interest cost |  |  | 180 |  |  |  | 183 |  |  |  | 7 |  |  |  | 8 |
Participant contributions |  |  | 5 |  |  |  | 5 |  |  |  | — |  |  |  | — |
Actuarial loss |  |  | 333 |  |  |  | 298 |  |  |  | 2 |  |  |  | 10 |
Benefit payments |  |  | (251 | ) |  |  | (234 | ) |  |  | (18 | ) |  |  | (20 | )
Settlements |  |  | (9 | ) |  |  | (6 | ) |  |  | — |  |  |  | — |
Acquisitions |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | — |
Plan amendments |  |  | (7 | ) |  |  | — |  |  |  | — |  |  |  | (23 | )
Foreign exchange and other |  |  | 98 |  |  |  | (45 | ) |  |  | — |  |  |  | — |
End of period |  |  | 6,159 |  |  |  | 5,717 |  |  |  | 235 |  |  |  | 243 |
Fair value of plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  |  | 4,501 |  |  |  | 3,698 |  |  |  | — |  |  |  | — |
Actual return on plan assets |  |  | 708 |  |  |  | 309 |  |  |  | — |  |  |  | — |
Employer contributions |  |  | 242 |  |  |  | 752 |  |  |  | 18 |  |  |  | 20 |
Participant contributions |  |  | 5 |  |  |  | 5 |  |  |  | — |  |  |  | — |
Benefit payments |  |  | (251 | ) |  |  | (234 | ) |  |  | (18 | ) |  |  | (20 | )
Settlements |  |  | (9 | ) |  |  | (6 | ) |  |  | — |  |  |  | — |
Foreign exchange and other |  |  | 52 |  |  |  | (23 | ) |  |  | — |  |  |  | — |
End of period |  |  | 5,248 |  |  |  | 4,501 |  |  |  | — |  |  |  | — |
Funded status at December 31 |  | $ | (911 | ) |  | $ | (1,216 | ) |  | $ | (235 | ) |  | $ | (243 | )
Amounts recognized in the consolidated balance sheets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncurrent asset |  | $ | 65 |  |  | $ | 42 |  |  | $ | — |  |  | $ | — |
Current liability |  |  | (24 | ) |  |  | (23 | ) |  |  | (19 | ) |  |  | (19 | )
Noncurrent liability |  |  | (952 | ) |  |  | (1,235 | ) |  |  | (216 | ) |  |  | (224 | )
Net liability recognized at December 31 |  | $ | (911 | ) |  | $ | (1,216 | ) |  | $ | (235 | ) |  | $ | (243 | )
Information Relating to Individual Plans in Funded Status that have ABO in Excess of Plan Assets | The following table is information relating to the individual plans in the funded status table above that have an ABO in excess of plan assets.
as of December 31 (in millions) |  | 2017 |  |  | 2016 |
ABO |  | $ | 5,398 |  |  | $ | 5,153 |
Fair value of plan assets |  |  | 4,674 |  |  |  | 4,190 |
Information Relating to Individual Plans in Funded Status that have PBO in Excess of Plan Assets | The following table is information relating to the individual plans in the funded status table above that have a PBO in excess of plan assets (many of which also have an ABO in excess of assets, and are therefore also included in the table directly above).
as of December 31 (in millions) |  | 2017 |  |  | 2016 |
PBO |  | $ | 5,875 |  |  | $ | 5,523 |
Fair value of plan assets |  |  | 4,899 |  |  |  | 4,265 |
Expected Net Pension and OPEB Plan Payments for Next 10 Years | Expected Net Pension and OPEB Plan Payments for the Next 10 Years
(in millions) |  | Pension benefits |  |  | OPEB |
2018 |  | $ | 250 |  |  | $ | 20 |
2019 |  |  | 260 |  |  |  | 19 |
2020 |  |  | 271 |  |  |  | 18 |
2021 |  |  | 283 |  |  |  | 17 |
2022 |  |  | 294 |  |  |  | 17 |
2023 through 2027 |  |  | 1,626 |  |  |  | 73 |
Total expected net benefit payments for next 10 years |  | $ | 2,984 |  |  | $ | 164 |
Summary of Pre-Tax losses Included in AOCI | The following table is a summary of the pre-tax losses included in AOCI at December 31, 2017 and December 31, 2016.
(in millions) |  | Pension benefits |  |  | OPEB |
Actuarial loss (gain) |  | $ | 1,660 |  |  | $ | (76 | )
Prior service credit and transition obligation |  |  | (12 | ) |  |  | (88 | )
Total pre-tax loss recognized in AOCI at December 31, 2017 |  | $ | 1,648 |  |  | $ | (164 | )
Actuarial loss (gain) |  | $ | 1,885 |  |  | $ | (89 | )
Prior service credit and transition obligation |  |  | (5 | ) |  |  | (103 | )
Total pre-tax loss recognized in AOCI at December 31, 2016 |  | $ | 1,880 |  |  | $ | (192 | )
Summary of Net-of-Tax Amounts Recorded in OCI Relating to Pension and OPEB Plans | The following table is a summary of the net-of-tax amounts recorded in OCI relating to pension and OPEB plans.
years ended December 31 (in millions) |  | 2017 |  |  | 2016 |  |  | 2015 |
Gain (loss) arising during the year, net of tax expense (benefit) of $16 in 2017, ($72) in 2016 and $44 in 2015 |  | $ | 50 |  |  | $ | (191 | ) |  | $ | 45 |
Distribution to Baxalta, net of tax expense of $73 |  |  | — |  |  |  | — |  |  |  | 198 |
Amortization of loss to earnings, net of tax benefit of $46 in 2017, $36 in 2016 and $61 in 2015 |  |  | 91 |  |  |  | 94 |  |  |  | 120 |
Pension and other employee benefits (loss) gain |  | $ | 141 |  |  | $ | (97 | ) |  | $ | 363 |
Summary of Pre-tax Amounts Expected to be Amortized to Net Periodic Benefit Cost in 2018 | With respect to the AOCI balance at December 31, 2017, the following table is a summary of the pre-tax amounts expected to be amortized to net periodic benefit cost in 2018.
(in millions) |  | Pension benefits |  |  | OPEB |
Actuarial loss/(gain) |  | $ | 174 |  |  | $ | (10 | )
Prior service credit and transition obligation |  |  | (1 | ) |  |  | (15 | )
Total pre-tax amount expected to be amortized from AOCI to net pension and OPEB cost in 2018 |  | $ | 173 |  |  | $ | (25 | )
Net Periodic Benefit Cost - Continuing Operations | Net Periodic Benefit Cost – Continuing Operations
years ended December 31 (in millions) |  | 2017 |  |  | 2016 |  |  | 2015 |
Pension benefits |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 91 |  |  | $ | 93 |  |  | $ | 128 |
Interest cost |  |  | 180 |  |  |  | 183 |  |  |  | 211 |
Expected return on plan assets |  |  | (291 | ) |  |  | (298 | ) |  |  | (270 | )
Amortization of net losses and other deferred amounts |  |  | 163 |  |  |  | 149 |  |  |  | 192 |
Settlement losses |  |  | — |  |  |  | 2 |  |  |  | 2 |
Net pension costs related to discontinued operations |  |  | — |  |  |  | — |  |  |  | (43 | )
Net periodic pension benefit cost |  | $ | 143 |  |  | $ | 129 |  |  | $ | 220 |
OPEB |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 1 |  |  | $ | 2 |  |  | $ | 4 |
Interest cost |  |  | 7 |  |  |  | 8 |  |  |  | 14 |
Amortization of net loss and prior service credit |  |  | (26 | ) |  |  | (19 | ) |  |  | (11 | )
Curtailment |  |  | — |  |  |  | (4 | ) |  |  | — |
Net periodic OPEB cost |  | $ | (18 | ) |  | $ | (13 | ) |  | $ | 7 |
Weighted-Average Assumptions Used in Determining Benefit Obligations at Measurement Date | Weighted-Average Assumptions Used in Determining Benefit Obligations at the Measurement Date
|  | Pension benefits |  |  | OPEB |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Discount rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. and Puerto Rico plans |  |  | 3.62 | % |  |  | 4.09 | % |  |  | 3.51 | % |  |  | 3.89 | %
International plans |  |  | 2.02 | % |  |  | 2.05 | % |  | n/a |  |  | n/a |
Rate of compensation increase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. and Puerto Rico plans |  |  | 3.65 | % |  |  | 3.75 | % |  | n/a |  |  | n/a |
International plans |  |  | 3.05 | % |  |  | 3.08 | % |  | n/a |  |  | n/a |
Annual rate of increase in the per-capita cost |  | n/a |  |  | n/a |  |  |  | 6.25 | % |  |  | 6.25 | %
Rate decreased to |  | n/a |  |  | n/a |  |  |  | 5.00 | % |  |  | 5.00 | %
by the year ended |  | n/a |  |  | n/a |  |  | 2023 |  |  | 2022 |
Weighted-Average Assumptions Used in Determining Net Periodic Benefit Cost
|  | Pension benefits |  |  | OPEB |
|  | 2017 |  |  | 2016 |  |  | 2015 |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Discount rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. and Puerto Rico plans |  |  | 4.09 | % |  |  | 4.36 | % |  |  | 4.00 | % |  |  | 3.89 | % |  |  | 4.12 | % |  |  | 3.95 | %
International plans |  |  | 2.03 | % |  |  | 2.60 | % |  |  | 2.26 | % |  | n/a |  |  | n/a |  |  | n/a |
Expected return on plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. and Puerto Rico plans |  |  | 6.50 | % |  |  | 7.00 | % |  |  | 7.25 | % |  | n/a |  |  | n/a |  |  | n/a |
International plans |  |  | 5.77 | % |  |  | 6.07 | % |  |  | 6.20 | % |  | n/a |  |  | n/a |  |  | n/a |
Rate of compensation increase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. and Puerto Rico plans |  |  | 3.75 | % |  |  | 3.75 | % |  |  | 3.76 | % |  | n/a |  |  | n/a |  |  | n/a |
International plans |  |  | 3.11 | % |  |  | 3.37 | % |  |  | 3.33 | % |  | n/a |  |  | n/a |  |  | n/a |
Annual rate of increase in the per-capita cost |  | n/a |  |  | n/a |  |  | n/a |  |  |  | 6.25 | % |  |  | 6.50 | % |  |  | 6.00 | %
Rate decreased to |  | n/a |  |  | n/a |  |  | n/a |  |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
by the year ended |  | n/a |  |  | n/a |  |  | n/a |  |  | 2023 |  |  | 2022 |  |  | 2019 |
Fair Value of Pension Plan Assets and Liabilities | The following tables summarize the bases used to measure the pension plan assets and liabilities that are carried at fair value on a recurring basis.
|  |  |  |  |  | Basis of fair value measurement |
(in millions) |  | Balance at December 31, 2017 |  |  | Quoted prices in active markets for identical assets (Level 1) |  |  | Significant other observable inputs (Level 2) |  |  | Significant unobservable inputs (Level 3) |  |  | Measured at NAV |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 230 |  |  | $ | 12 |  |  | $ | 218 |  |  | $ | — |  |  | $ | — |
U.S. government and government agency issues |  |  | 641 |  |  |  | — |  |  |  | 641 |  |  |  | — |  |  |  | — |
Corporate bonds |  |  | 1,052 |  |  |  | 16 |  |  |  | 1,036 |  |  |  | — |  |  |  | — |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Large cap |  |  | 711 |  |  |  | 711 |  |  |  | — |  |  |  | — |  |  |  | — |
Mid cap |  |  | 406 |  |  |  | 406 |  |  |  | — |  |  |  | — |  |  |  | — |
Small cap |  |  | 89 |  |  |  | 89 |  |  |  | — |  |  |  | — |  |  |  | — |
Total common stock |  |  | 1,206 |  |  |  | 1,206 |  |  |  | — |  |  |  | — |  |  |  | — |
Mutual funds |  |  | 390 |  |  |  | 144 |  |  |  | 246 |  |  |  | — |  |  |  | — |
Common/collective trust funds |  |  | 1,174 |  |  |  | — |  |  |  | 217 |  |  |  | 8 |  |  |  | 949 |
Partnership investments |  |  | 413 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 413 |
Other holdings |  |  | 142 |  |  |  | 10 |  |  |  | 122 |  |  |  | 10 |  |  |  | — |
Collateral held on loaned securities |  |  | 193 |  |  |  | — |  |  |  | 193 |  |  |  | — |  |  |  | — |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral to be paid on loaned securities |  |  | (193 | ) |  |  | (53 | ) |  |  | (140 | ) |  |  | — |  |  |  | — |
Fair value of pension plan assets |  | $ | 5,248 |  |  | $ | 1,335 |  |  | $ | 2,533 |  |  | $ | 18 |  |  | $ | 1,362 |
|  |  |  |  |  | Basis of fair value measurement |
(in millions) |  | Balance at December 31, 2016 |  |  | Quoted prices in active markets for identical assets (Level 1) |  |  | Significant other observable inputs (Level 2) |  |  | Significant unobservable inputs (Level 3) |  |  | Measured at NAV |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 443 |  |  | $ | 16 |  |  | $ | 427 |  |  | $ | — |  |  | $ | — |
U.S. government and government agency issues |  |  | 457 |  |  |  | — |  |  |  | 457 |  |  |  | — |  |  |  | — |
Corporate bonds |  |  | 850 |  |  |  | 13 |  |  |  | 837 |  |  |  | — |  |  |  | — |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Large cap |  |  | 545 |  |  |  | 545 |  |  |  | — |  |  |  | — |  |  |  | — |
Mid cap |  |  | 371 |  |  |  | 371 |  |  |  | — |  |  |  | — |  |  |  | — |
Small cap |  |  | 94 |  |  |  | 94 |  |  |  | — |  |  |  | — |  |  |  | — |
Total common stock |  |  | 1,010 |  |  |  | 1,010 |  |  |  | — |  |  |  | — |  |  |  | — |
Mutual funds |  |  | 336 |  |  |  | 118 |  |  |  | 218 |  |  |  | — |  |  |  | — |
Common/collective trust funds |  |  | 900 |  |  |  | — |  |  |  | 143 |  |  |  | 6 |  |  |  | 751 |
Partnership investments |  |  | 388 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 388 |
Other holdings |  |  | 117 |  |  |  | 10 |  |  |  | 97 |  |  |  | 10 |  |  |  | — |
Collateral held on loaned securities |  |  | 126 |  |  |  | — |  |  |  | 126 |  |  |  | — |  |  |  | — |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral to be paid on loaned securities |  |  | (126 | ) |  |  | (37 | ) |  |  | (89 | ) |  |  | — |  |  |  | — |
Fair value of pension plan assets |  | $ | 4,501 |  |  | $ | 1,130 |  |  | $ | 2,216 |  |  | $ | 16 |  |  | $ | 1,139 |
Changes in Fair Value Measurements that Used Significant Unobservable Inputs | The following table is a reconciliation of changes in fair value measurements that used significant unobservable inputs (Level 3).
(in millions) |  | Total |  |  | Common/collective trust funds |  |  | Other holdings |
Balance at December 31, 2015 |  | $ | 8 |  |  | $ | 6 |  |  | $ | 2 |
Purchases, sales and settlements |  |  | 8 |  |  |  | — |  |  |  | 8 |
Balance at December 31, 2016 |  |  | 16 |  |  |  | 6 |  |  |  | 10 |
Actual return on plan assets still held at year end |  |  | 2 |  |  |  | 2 |  |  |  | — |
Balance at December 31, 2017 |  | $ | 18 |  |  | $ | 8 |  |  | $ | 10 |
Funded Status Percentage of Pension Plans | The following table details the funded status percentage of the company’s pension plans as of December 31, 2017, including certain plans that are unfunded in accordance with the guidelines of the company’s funding policy outlined above.
|  | United States and Puerto Rico |  |  | International |  |  |  |  |
as of December 31, 2017 (in millions) |  | Qualified plans |  |  | Nonqualified plan |  |  | Funded plans |  |  | Unfunded plans |  |  | Total |
Fair value of plan assets |  | $ | 4,426 |  |  | n/a |  |  | $ | 822 |  |  | n/a |  |  | $ | 5,248 |
PBO |  |  | 4,629 |  |  | $ | 223 |  |  |  | 908 |  |  | $ | 399 |  |  |  | 6,159 |
Funded status percentage |  |  | 96 | % |  | n/a |  |  |  | 91 | % |  | n/a |  |  |  | 85 | %

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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + 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 (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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 (f) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized 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=82843861&loc=d3e1928-114920 + Details
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