XML 56 R37.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract] |
Marketable Securities |
| Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
| (In millions)
December 31, 2015 |  |  |  |  |  |  |
United States government obligations |  |  |  |  |  |  |
Maturity less than 1 year | $ | 256 |  |  | $ | — |  |  | $ | — |  |  | $ | 256 |
Maturity 1 to 5 years | 116 |  |  | — |  |  | — |  |  | 116 |
Corporate debt securities |  |  |  |  |  |  |
Maturity 1 to 5 years | 26 |  |  | — |  |  | — |  |  | 26 |
Other debt securities |  |  |  |  |  |  |
Maturity less than 1 year | 182 |  |  | — |  |  | — |  |  | 182 |
Maturity 1 to 5 years | 3 |  |  | — |  |  | — |  |  | 3 |
Equity securities |  |  |  |  |  |  |
Available-for-sale | 296 |  |  | 4 |  |  | (6 | ) |  | 294 |
| $ | 879 |  |  | $ | 4 |  |  | $ | (6 | ) |  | $ | 877 |
| Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
| (In millions)
December 31, 2014 |  |  |  |  |  |  |
United States government obligations |  |  |  |  |  |  |
Maturity less than 1 year | $ | 385 |  |  | $ | — |  |  | $ | — |  |  | $ | 385 |
Maturity 1 to 5 years | 93 |  |  | — |  |  | — |  |  | 93 |
Corporate debt securities |  |  |  |  |  |  |  |  |  |  |
Maturity 1 to 5 years | 72 |  |  | — |  |  | — |  |  | 72 |
Other debt securities |  |  |  |  |  |  |  |  |  |  |
Maturity less than 1 year | 130 |  |  | — |  |  | — |  |  | 130 |
Maturity 1 to 5 years | 3 |  |  | — |  |  | — |  |  | 3 |
Equity securities |  |  |  |  |  |  |  |  |  |  |
Available-for-sale | 328 |  |  | 1 |  |  | (12 | ) |  | 317 |
| $ | 1,011 |  |  | $ | 1 |  |  | $ | (12 | ) |  | $ | 1,000 |

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

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563 + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration