COMMITMENTS AND CONTINGENCIES - Future Cash Payments and Commitments (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Purchase obligation	$ 8,238,465
Purchase obligation, due in year 1	3,547,239
Purchase obligation, due in years 2 and 3	3,685,145
Purchase obligation, due in years 4 and 5	837,711
Purchase obligation, due after year 5	168,370
Guarantees	37,930
Guarantees, due in year 1	37,870
Guarantees, due in years 2 and 3	60
Guarantees, due in years 4 and 5	0
Guarantees, due after year 5	0
Letters of credit	178,014
Letters of credit, due in year 1	1,620
Letters of credit, due in years 2 and 3	7,360
Letters of credit, due in years 4 and 5	169,034
Letters of credit, due after year 5	0
Total contractual obligation	8,454,409
Total contractual obligation, due in year 1	3,586,729
Total contractual obligation, due in years 2 and 3	3,692,565
Total contractual obligation, due in years 4 and 5	1,006,745
Total contractual obligation, due after year 5	$ 168,370