Accounts Receivable	3 Months Ended
Mar. 31, 2020
Receivables [Abstract]
Accounts Receivable [Text Block]	4. Accounts Receivable Our accounts receivable are reflected in the Consolidated Balance Sheets net of allowance for credit losses of $14 million and $16 million at March 31, 2020 and December 31, 2019, respectively.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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