LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES - PURCHASE OBLIGATIONS (Details) $ in Billions	Dec. 31, 2020 USD ($)
Purchase obligations
Total purchase obligations	$ 13.2
2020	2.8
2021 and 2022	4.4
2023 and 2024	3.0
2025 and thereafter	$ 3.0

Amount of purchase arrangement to be paid in fourth and fifth fiscal years following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.

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