FINANCING ARRANGEMENTS - Aggregate Maturities of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
Remainder of 2019	$ 100
2020	0
2021	203
2022	1,553
2023	3,788
2024	2,303
Thereafter	15,894
Total debt obligations	23,841	$ 24,632
Unamortized premiums, discounts and issuance costs	(275)
Total long-term debt and other	$ 23,566	$ 24,305

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 of unamortized debt discount (premium) and debt issuance costs.

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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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