XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Marketable and Other Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Marketable Securities [Abstract] |
Available-for-sale Securities | The following table summarizes the fair value of cash equivalents and marketable debt and equity securities which approximates cost:
| Fair Value Level |  | March 31, 2018 |  | December 31, 2017
Cash and cash equivalents |  |  |  |  |  |
Cash and time deposits |  |  | $ | 8,405 |  |  | $ | 6,962 |
Available-for-sale debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | — |  |  | 750 |
Corporate debt | 2 |  | 2,374 |  |  | 3,032 |
Sovereign debt | 2 |  | 337 |  |  | 1,954 |
Total available-for-sale debt securities – cash equivalents |  |  | 2,711 |  |  | 5,736 |
Money market funds | 1 |  | 3,140 |  |  | 2,814 |
Total cash and cash equivalents |  |  | $ | 14,256 |  |  | $ | 15,512 |
Marketable debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 2,272 |  |  | $ | 3,310 |
Corporate debt | 2 |  | 3,362 |  |  | 3,665 |
Mortgage and asset-backed | 2 |  | 642 |  |  | 635 |
Sovereign debt | 2 |  | 834 |  |  | 703 |
Total available-for-sale debt securities – marketable securities |  |  | $ | 7,110 |  |  | $ | 8,313 |
Restricted cash |  |  |  |  |  |  |
Cash and cash equivalents |  |  | $ | 232 |  |  | $ | 219 |
Money market funds | 1 |  | 3,059 |  |  | 2,117 |
Total restricted cash |  |  | $ | 3,291 |  |  | $ | 2,336 |
Available-for-sale debt securities included above with contractual maturities(a) |  |  |  |
Due in one year or less |  |  | $ | 4,494 |  |  |
Due between one and five years |  |  | 4,685 |  |  |
Total available-for-sale debt securities with contractual maturities |  |  | $ | 9,179 |  |  |
__________
(a) | Excludes mortgage and asset-backed securities.
Schedule of Fair Value of Cash Equivalents and Marketable Securities | The following table summarizes the fair value of cash equivalents and marketable debt and equity securities which approximates cost:
| Fair Value Level |  | March 31, 2018 |  | December 31, 2017
Cash and cash equivalents |  |  |  |  |  |
Cash and time deposits |  |  | $ | 8,405 |  |  | $ | 6,962 |
Available-for-sale debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | — |  |  | 750 |
Corporate debt | 2 |  | 2,374 |  |  | 3,032 |
Sovereign debt | 2 |  | 337 |  |  | 1,954 |
Total available-for-sale debt securities – cash equivalents |  |  | 2,711 |  |  | 5,736 |
Money market funds | 1 |  | 3,140 |  |  | 2,814 |
Total cash and cash equivalents |  |  | $ | 14,256 |  |  | $ | 15,512 |
Marketable debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 2,272 |  |  | $ | 3,310 |
Corporate debt | 2 |  | 3,362 |  |  | 3,665 |
Mortgage and asset-backed | 2 |  | 642 |  |  | 635 |
Sovereign debt | 2 |  | 834 |  |  | 703 |
Total available-for-sale debt securities – marketable securities |  |  | $ | 7,110 |  |  | $ | 8,313 |
Restricted cash |  |  |  |  |  |  |
Cash and cash equivalents |  |  | $ | 232 |  |  | $ | 219 |
Money market funds | 1 |  | 3,059 |  |  | 2,117 |
Total restricted cash |  |  | $ | 3,291 |  |  | $ | 2,336 |
Available-for-sale debt securities included above with contractual maturities(a) |  |  |  |
Due in one year or less |  |  | $ | 4,494 |  |  |
Due between one and five years |  |  | 4,685 |  |  |
Total available-for-sale debt securities with contractual maturities |  |  | $ | 9,179 |  |  |
__________
(a) | Excludes mortgage and asset-backed securities.
Investments Classified by Contractual Maturity Date | The following table summarizes the fair value of cash equivalents and marketable debt and equity securities which approximates cost:
| Fair Value Level |  | March 31, 2018 |  | December 31, 2017
Cash and cash equivalents |  |  |  |  |  |
Cash and time deposits |  |  | $ | 8,405 |  |  | $ | 6,962 |
Available-for-sale debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | — |  |  | 750 |
Corporate debt | 2 |  | 2,374 |  |  | 3,032 |
Sovereign debt | 2 |  | 337 |  |  | 1,954 |
Total available-for-sale debt securities – cash equivalents |  |  | 2,711 |  |  | 5,736 |
Money market funds | 1 |  | 3,140 |  |  | 2,814 |
Total cash and cash equivalents |  |  | $ | 14,256 |  |  | $ | 15,512 |
Marketable debt securities |  |  |  |  |  |
U.S. government and agencies | 2 |  | $ | 2,272 |  |  | $ | 3,310 |
Corporate debt | 2 |  | 3,362 |  |  | 3,665 |
Mortgage and asset-backed | 2 |  | 642 |  |  | 635 |
Sovereign debt | 2 |  | 834 |  |  | 703 |
Total available-for-sale debt securities – marketable securities |  |  | $ | 7,110 |  |  | $ | 8,313 |
Restricted cash |  |  |  |  |  |  |
Cash and cash equivalents |  |  | $ | 232 |  |  | $ | 219 |
Money market funds | 1 |  | 3,059 |  |  | 2,117 |
Total restricted cash |  |  | $ | 3,291 |  |  | $ | 2,336 |
Available-for-sale debt securities included above with contractual maturities(a) |  |  |  |
Due in one year or less |  |  | $ | 4,494 |  |  |
Due between one and five years |  |  | 4,685 |  |  |
Total available-for-sale debt securities with contractual maturities |  |  | $ | 9,179 |  |  |
__________
(a) | Excludes mortgage and asset-backed securities.
Reconciliation of Cash, Cash Equivalents and Restricted Cash from Balance Sheet to Statements of Cash Flows | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheet to the total shown in the condensed consolidated statement of cash flows:
| March 31, 2018
Cash and cash equivalents | $ | 14,256 |
Restricted cash included in Other current assets | 2,713 |
Restricted cash included in Other assets | 578 |
Total | $ | 17,547 |

X
- Definition Tabular disclosure of the reconciliation of cash, cash equivalents and restricted cash from the consolidated balance sheet to the consolidated statements of cash flows. + References No definition available. + Details
Name: | gm_ReconciliationofCashCashEquivalentsandRestrictedCashfromBalanceSheettoStatementofCashFlowsTableTextBlock
Namespace Prefix: | gm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: 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=75019621&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: 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=82897076&loc=d3e27161-111563 Reference 6: 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=82897076&loc=d3e27357-111563 Reference 7: 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=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration