Annual report pursuant to Section 13 and 15(d)

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Expected Cash Flows for Pension and Postretirement Benefit Plans (Detail)

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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Expected Cash Flows for Pension and Postretirement Benefit Plans (Detail)
$ in Millions
Dec. 31, 2017
USD ($)
Pension Benefits | U.S. Pension Benefits  
Expected Benefit Payments:  
2013 $ 1,294
2014 1,418
2015 1,551
2016 1,691
2017 1,836
2018 - 2022 11,358
Pension Benefits | U.S. Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 0
Pension Benefits | U.S. Pension Benefits | 2018 to plan participants  
Employer Contributions:  
Expected Employer Contribution in 2013 19
Pension Benefits | International Pension Benefits  
Expected Benefit Payments:  
2013 24
2014 27
2015 30
2016 36
2017 41
2018 - 2022 286
Pension Benefits | International Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 75
Pension Benefits | International Pension Benefits | 2018 to plan participants  
Employer Contributions:  
Expected Employer Contribution in 2013 5
Postemployment Retirement Benefits | U.S. Pension Benefits  
Expected Benefit Payments:  
2013 237
2014 239
2015 237
2016 231
2017 222
2018 - 2022 967
Postemployment Retirement Benefits | U.S. Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 0
Postemployment Retirement Benefits | U.S. Pension Benefits | 2018 to plan participants  
Employer Contributions:  
Expected Employer Contribution in 2013 $ 78