XML 26 R10.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Receivables, net | 12 Months Ended
--- | ---
Dec. 31, 2017
Receivables [Abstract] |
Receivables, net | 3. Receivables, net Receivables are recorded and carried at the original invoiced amount less an allowance for doubtful accounts. The allowance for doubtful accounts reflects the Company’s best estimate of probable losses inherent in the accounts receivable balance. Activity in the allowance for doubtful accounts was as follows (in millions):
|  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 34 |  |  | $ | 38 |  |  | $ | 19 |
Additions charged to expenses |  |  | 3 |  |  |  | 17 |  |  |  | 27 |
Charge-offs and other |  |  | (8 | ) |  |  | (21 | ) |  |  | (8 | )
Ending balance |  | $ | 29 |  |  | $ | 34 |  |  | $ | 38 |

X
- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
Name: | us-gaap_FinancingReceivablesTextBlock
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