XML 44 R43.htm IDEA: XBRL DOCUMENT
v3.19.3

Supplemental Cash Flow Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Supplemental Cash Flow Information [Abstract] |
Supplemental cash flow information |
| Nine Months Ended September 30,
| 2019 |  | 2018
| (in millions)
Cash payments for interest, net of amounts capitalized | $ | 400 |  |  | $ | 400 |
Cash payments (receipts) for income taxes, net of refunds | 58 |  |  | (4 | )

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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