XML 47 R13.htm IDEA: XBRL DOCUMENT
v3.21.1

ACCOUNTS RECEIVABLE - NET | 3 Months Ended
--- | ---
Mar. 31, 2021
Receivables [Abstract] |
Accounts Receivable - Net |
| March 31, 2021 |  | December 31, 2020
Trade | $ | 6,874 |  |  | $ | 7,029 |
Less - Allowance for doubtful accounts | (199) |  |  | (202) |
| $ | 6,675 |  |  | $ | 6,827 |
Trade receivables include $1,750 million and $1,589 million of unbilled balances under long-term contracts as of March 31, 2021 and December 31, 2020. These amounts are billed in accordance with the terms of the customer contracts to which they relate.

X
- Definition 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. + References 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 + Details
Name: | us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration