SHORT AND LONG-TERM DEBT - LONG TERM DEBT INTEREST RATES (Details) - Corporate Debt Securities	Dec. 31, 2019	Dec. 31, 2018
2.90% Notes due 2020
Debt Instrument [Line Items]
Interest rate, stated percentage	2.90%	2.90%
4.125% Notes due 2020
Debt Instrument [Line Items]
Interest rate, stated percentage	4.125%	4.125%
3.10% Notes due 2021
Debt Instrument [Line Items]
Interest rate, stated percentage	3.10%	3.10%
8.8% Debentures due 2021
Debt Instrument [Line Items]
Interest rate, stated percentage	8.80%	8.80%
3.375% Notes due 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	3.375%	3.375%
2.625% Notes due 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	2.625%	2.625%
2.050% Notes due 2024
Debt Instrument [Line Items]
Interest rate, stated percentage	2.05%	2.05%
3.20% Notes due 2025
Debt Instrument [Line Items]
Interest rate, stated percentage	3.20%	3.20%
2.30% Notes due 2026
Debt Instrument [Line Items]
Interest rate, stated percentage	2.30%	2.30%
7.2% Debentures due 2027
Debt Instrument [Line Items]
Interest rate, stated percentage	7.20%	7.20%
2.450% Notes due 2029
Debt Instrument [Line Items]
Interest rate, stated percentage	2.45%	2.45%
3.375% Notes due 2046
Debt Instrument [Line Items]
Interest rate, stated percentage	3.375%	3.375%
3.125% Notes due 2049
Debt Instrument [Line Items]
Interest rate, stated percentage	3.125%	3.125%