FINANCING ARRANGEMENTS - Aggregate Maturities of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
October through December 2018	$ 125
2019	230
2020	228
2021	2,628
2022	1,478
2023	6,293
Thereafter	14,073
Total gross maturities	25,055	$ 25,752
Unamortized discounts	(324)
Total long-term debt and other	$ 24,731	$ 25,444

Long-Term Debt, Maturities, Repayments Of Principal In Year Six

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Long-Term Debt, Maturities, Repayments Of Principal, Thereafter

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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