LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - PURCHASE OBLIGATIONS (Details) $ in Billions	Dec. 31, 2019 USD ($)
Purchase obligations
Total purchase obligations	$ 20.7
2020	3.3
2021 and 2022	5.7
2023 and 2024	4.7
2025 and thereafter	$ 7.1

Minimum amount of purchase arrangement maturing in the fourth and fifth fiscal years following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

No definition available.

Name:	us-gaap_PurchaseObligationDueInFourthAndFifthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant