XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Supplemental Financial Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
Supplemental Financial Information |
Components of long-term investments |
Long-term Investments |  | June 30, |  | December 31, |
(in millions) |  | 2016 |  | 2015 |
Equity securities |  | $ | 3,288 |  | $ | 4,014 |
Other |  | 51 |  | 27 |
Total |  | $ | 3,339 |  | $ | 4,041 |

X
- Definition A table of investments, shown as a text block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
Name: | invest_InvestmentTableTextBlock
Namespace Prefix: | invest_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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