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, 2018
USD ($)
Pension Benefits | U.S. Pension Benefits  
Expected Benefit Payments:  
2013 $ 1,505
2014 1,652
2015 1,788
2016 1,930
2017 2,075
2018 - 2022 12,550
Pension Benefits | U.S. Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 2,000
Pension Benefits | U.S. Pension Benefits | 2018 to plan participants  
Employer Contributions:  
Expected Employer Contribution in 2013 20
Pension Benefits | International Pension Benefits  
Expected Benefit Payments:  
2013 29
2014 32
2015 36
2016 41
2017 46
2018 - 2022 319
Pension Benefits | International Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 63
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 227
2014 233
2015 227
2016 218
2017 209
2018 - 2022 912
Postemployment Retirement Benefits | U.S. Pension Benefits | 2018 to plan trusts  
Employer Contributions:  
Expected Employer Contribution in 2013 192
Postemployment Retirement Benefits | U.S. Pension Benefits | 2018 to plan participants  
Employer Contributions:  
Expected Employer Contribution in 2013 $ 74