$TMUS
T-Mobile US, Inc. Stock $tmus

$tmus Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000128369919000119 Filed on October 28, 2019

Income Statement

Concept	2019 Q3	2018 Q3	2018 Q2
Revenue	$11.06B	$10.84B	$10.57B
YoY Change	2.05%	8.18%	3.51%
Cost Of Revenue	$4.437B	$4.448B	$1.530B
YoY Change	-0.25%	179.05%	0.79%
Gross Profit	$6.624B	$6.391B	$9.041B
YoY Change	3.65%	-24.14%	3.98%
Gross Profit Margin	59.89%	58.96%	85.53%
Selling, General & Admin	$3.498B	$3.314B	$3.185B
YoY Change	5.55%	6.97%	9.26%
% of Gross Profit	52.81%	51.85%	35.23%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.655B	$1.637B	$1.634B
YoY Change	1.1%	15.61%	7.57%
% of Gross Profit	24.98%	25.61%	18.07%
Operating Expenses	$3.498B	$3.314B	$3.185B
YoY Change	5.55%	6.97%	9.26%
Operating Profit	$1.471B	$1.440B	$1.450B
YoY Change	2.15%	8.84%	2.4%
Interest Expense	$184.0M	$194.0M	$196.0M
YoY Change	-5.15%	-23.32%	-26.04%
% of Operating Profit	12.51%	13.47%	13.52%
Other Income/Expense, Net	-$276.0M	-$310.0M	-$382.0M
YoY Change	-10.97%	-25.66%	-20.75%
Pretax Income	$1.195B	$1.130B	$1.068B
YoY Change	5.75%	24.72%	14.35%
Income Tax	$325.0M	$335.0M	$286.0M
% Of Pretax Income	27.2%	29.65%	26.78%
Net Earnings	$870.0M	$795.0M	$782.0M
YoY Change	9.43%	44.55%	34.6%
Net Earnings / Revenue	7.87%	7.33%	7.4%
Basic Earnings Per Share	$1.02	$0.94	$0.92
Diluted Earnings Per Share	$1.01	$0.93	$0.92
COMMON SHARES
Basic Shares Outstanding	854.6M shares	847.1M shares	847.7M shares
Diluted Shares Outstanding	862.7M shares	853.9M shares	852.0M shares

Balance Sheet

Concept	2019 Q3	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.653B	$329.0M	$215.0M
YoY Change	402.43%	-55.48%	18.78%
Cash & Equivalents	$1.653B	$329.0M	$215.0M
Short-Term Investments
Other Short-Term Assets	$1.737B	$1.969B	$1.929B
YoY Change	-11.78%	8.37%	22.09%
Inventory	$801.0M	$958.0M	$998.0M
Prepaid Expenses
Receivables	$1.822B	$1.652B	$1.630B
Other Receivables	$2.445B	$2.378B	$2.319B
Total Short-Term Assets	$8.458B	$7.286B	$7.091B
YoY Change	16.09%	-2.19%	4.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$22.10B	$22.50B	$22.38B
YoY Change	-1.8%	4.32%	4.44%
Goodwill	$1.930B	$1.901B	$1.901B
YoY Change	1.53%	12.95%	12.95%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.799B	$1.488B	$1.311B
YoY Change	20.9%	73.43%	60.86%
Total Long-Term Assets	$77.65B	$62.90B	$62.60B
YoY Change	23.46%	4.01%	3.68%
TOTAL ASSETS
Total Short-Term Assets	$8.458B	$7.286B	$7.091B
Total Long-Term Assets	$77.65B	$62.90B	$62.60B
Total Assets	$86.11B	$70.18B	$69.69B
YoY Change	22.69%	3.33%	3.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$6.406B	$6.500B	$6.686B
YoY Change	-1.45%	7.07%	7.41%
Accrued Expenses	$2.232B
YoY Change
Deferred Revenue	$608.0M	$696.0M	$722.0M
YoY Change	-12.64%
Short-Term Debt	$475.0M	$783.0M	$1.324B
YoY Change	-39.34%	40.32%	10.15%
Long-Term Debt Due	$1.013B
YoY Change
Total Short-Term Liabilities	$12.87B	$8.572B	$9.281B
YoY Change	50.13%	5.79%	5.13%
LONG-TERM LIABILITIES
Long-Term Debt	$10.96B	$11.99B	$12.07B
YoY Change	-8.65%	-8.89%	-8.64%
Other Long-Term Liabilities	$936.0M	$985.0M	$968.0M
YoY Change	-4.97%	1.86%	-0.31%
Total Long-Term Liabilities	$45.47B	$37.26B	$37.02B
YoY Change	22.05%	-5.79%	-4.38%
TOTAL LIABILITIES
Total Short-Term Liabilities	$12.87B	$8.572B	$9.281B
Total Long-Term Liabilities	$45.47B	$37.26B	$37.02B
Total Liabilities	$58.34B	$45.83B	$46.30B
YoY Change	27.3%	-3.82%	-2.61%
SHAREHOLDERS EQUITY
Retained Earnings	-$9.584B	-$13.59B	-$14.39B
YoY Change	-29.5%	-27.62%	-25.57%
Common Stock	$38.43B	$37.96B	$37.79B
YoY Change	1.26%	-2.82%	-2.98%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$8.000M	$7.000M	$7.000M
YoY Change	14.29%	75.0%	75.0%
Treasury Stock Shares	1.514M shares	1.510M shares	1.511M shares
Shareholders Equity	$27.77B	$24.36B	$23.39B
YoY Change
Total Liabilities & Shareholders Equity	$86.11B	$70.18B	$69.69B
YoY Change	22.69%	3.33%	3.77%

Cashflow Statement

Concept	2019 Q3	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$870.0M	$795.0M	$782.0M
YoY Change	9.43%	44.55%	34.6%
Depreciation, Depletion And Amortization	$1.655B	$1.637B	$1.634B
YoY Change	1.1%	15.61%	7.57%
Cash From Operating Activities	$1.748B	$914.0M	$1.261B
YoY Change	91.25%	-27.0%	14.01%
INVESTING ACTIVITIES
Capital Expenditures	$1.514B	$1.362B	$1.629B
YoY Change	11.16%	-5.48%	20.94%
Acquisitions	$31.00M	$0.00	$5.000M
YoY Change
Other Investing Activities	-$1.000M	-$4.000M	-$33.00M
YoY Change	-75.0%	300.0%	560.0%
Cash From Investing Activities	-$657.0M	-$42.00M	-$306.0M
YoY Change	1464.29%	-87.83%	-95.1%
FINANCING ACTIVITIES
Cash Dividend Paid		$0.00	$0.00
YoY Change		-100.0%	-100.0%
Common Stock Issuance & Retirement, Net	$0.00	$0.00	$405.0M
YoY Change
Debt Paid & Issued, Net	$0.00	$0.00	$2.350B
YoY Change			-65.19%
Cash From Financing Activities	-$543.0M	-$758.0M	-$3.267B
YoY Change	-28.36%	117.19%	50.21%
NET CHANGE
Cash From Operating Activities	$1.748B	$914.0M	$1.261B
Cash From Investing Activities	-$657.0M	-$42.00M	-$306.0M
Cash From Financing Activities	-$543.0M	-$758.0M	-$3.267B
Net Change In Cash	$548.0M	$114.0M	-$2.312B
YoY Change	380.7%	-79.57%	-68.42%
FREE CASH FLOW
Cash From Operating Activities	$1.748B	$914.0M	$1.261B
Capital Expenditures	$1.514B	$1.362B	$1.629B
Free Cash Flow	$234.0M	-$448.0M	-$368.0M
YoY Change	-152.23%	137.04%	52.7%

Facts In Submission

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	dei	Local Phone Number LocalPhoneNumber	378-4000
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.00001 per share
	dei	Trading Symbol TradingSymbol	TMUS
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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	dei	Entity File Number EntityFileNumber	1-33409
	dei	Entity Registrant Name EntityRegistrantName	T-MOBILE US, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
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	us-gaap	Interest Income Other InterestIncomeOther	17000000	USD
	us-gaap	Interest Income Other InterestIncomeOther	17000000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3000000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-12000000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-51000000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-276000000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	335000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	921000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	831000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	870000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2717000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2248000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	870000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2717000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2248000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-257000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-738000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-257000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-738000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
CY2019Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	294000000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	849960290	shares
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	613000000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	795000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1979000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2248000000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
CY2018Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	284000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	849000000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.65
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.15
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	762000000	USD
CY2019Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	74000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-43000000	USD
CY2019Q3	tmus	Increase Decreasein Operating Lease Rightof Use Asset IncreaseDecreaseinOperatingLeaseRightofUseAsset	-491000000	USD
CY2019Q3	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	78000000	USD
CY2018Q3	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	335000000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	478000000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	843000000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	862690751	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	853852764	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	862854654	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	858248568	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	870000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2717000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2248000000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1655000000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1637000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4840000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4846000000	USD
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	126000000	USD
CY2018Q3	us-gaap	Share Based Compensation ShareBasedCompensation	115000000	USD
CY2018Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	80000000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	218000000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	209000000	USD
CY2019Q3	us-gaap	Securitization Financial Asset For Which Transfer Is Accounted As Sale Gain Loss On Sale SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale	-28000000	USD
CY2018Q3	us-gaap	Securitization Financial Asset For Which Transfer Is Accounted As Sale Gain Loss On Sale SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale	-48000000	USD
	us-gaap	Securitization Financial Asset For Which Transfer Is Accounted As Sale Gain Loss On Sale SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale	-91000000	USD
	us-gaap	Securitization Financial Asset For Which Transfer Is Accounted As Sale Gain Loss On Sale SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale	-127000000	USD
CY2019Q3	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	0	USD
CY2018Q3	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	10000000	USD
	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	0	USD
	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	21000000	USD
CY2019Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19000000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-122000000	USD
CY2019Q3	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	745000000	USD
CY2018Q3	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1238000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2693000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3247000000	USD
	tmus	Increase Decreasein Operating Lease Rightof Use Asset IncreaseDecreaseinOperatingLeaseRightofUseAsset	-1395000000	USD
CY2019Q3	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	36000000	USD
CY2018Q3	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	115000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	139000000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	2094000000	USD
CY2019Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5000000	USD
CY2018Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	914000000	USD
CY2019Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	118000000	USD
CY2018Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	193000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	288000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	309000000	USD
CY2019Q3	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-395000000	USD
CY2018Q3	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-265000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-339000000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1372000000	USD
CY2019Q3	tmus	Increase Decreasein Operating Lease Liability IncreaseDecreaseinOperatingLeaseLiability	-549000000	USD
	tmus	Increase Decreasein Operating Lease Liability IncreaseDecreaseinOperatingLeaseLiability	-1592000000	USD
CY2019Q3	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	42000000	USD
CY2018Q3	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	39000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	136000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-21000000	USD
CY2019Q3	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	89000000	USD
CY2018Q3	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	52000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	185000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	35000000	USD
CY2019Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1748000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5287000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2945000000	USD
CY2019Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1514000000	USD
CY2018Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1362000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5234000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4357000000	USD
CY2019Q3	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	13000000	USD
CY2018Q3	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	22000000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	863000000	USD
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	101000000	USD
CY2019Q3	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	900000000	USD
CY2018Q3	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	1338000000	USD
	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	2896000000	USD
	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	3956000000	USD
CY2019Q3	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	31000000	USD
CY2018Q3	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	31000000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	338000000	USD
CY2019Q3	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1000000	USD
CY2018Q3	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4000000	USD
CY2018Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29000000	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	6050000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	77000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	40000000	USD
CY2019Q3	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	1734000000	USD
CY2018Q3	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	1263000000	USD
	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	4862000000	USD
	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	3596000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	6000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-30000000	USD
CY2019Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-657000000	USD
CY2018Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3238000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-810000000	USD
CY2019Q3	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018Q3	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2494000000	USD
CY2019Q3	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2018Q3	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	38000000	USD
CY2019Q3	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	575000000	USD
CY2018Q3	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1810000000	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	2340000000	USD
CY2019Q3	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	575000000	USD
CY2018Q3	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2130000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2340000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	6050000000	USD
CY2019Q3	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	235000000	USD
CY2018Q3	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	181000000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	550000000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	508000000	USD
CY2019Q3	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	300000000	USD
CY2018Q3	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	246000000	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	300000000	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	246000000	USD
CY2019Q3	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2018Q3	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	600000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3349000000	USD
CY2019Q3	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018Q3	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1071000000	USD
CY2019Q3	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4000000	USD
CY2018Q3	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	108000000	USD
CY2019Q3	tmus	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	460000000	USD
CY2018Q3	tmus	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	-78000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	548000000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	114000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	89000000	USD
CY2019Q3	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018Q3	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	28000000	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	212000000	USD
CY2019Q3	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4000000	USD
CY2018Q3	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-13000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000000	USD
CY2019Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-543000000	USD
CY2018Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-758000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1599000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3025000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	450000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-890000000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1105000000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	215000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1203000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1219000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1653000000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	329000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1653000000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	329000000	USD
CY2019Q3	us-gaap	Interest Paid Net InterestPaidNet	327000000	USD
CY2018Q3	us-gaap	Interest Paid Net InterestPaidNet	366000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	912000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	1303000000	USD
CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	703000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	246000000	USD
CY2019Q3	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	475000000	USD
CY2018Q3	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	775000000	USD
	tmus	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	906000000	USD
	tmus	Change In Capital Expenditures Incurred But Not Yet Paid ChangeInCapitalExpendituresIncurredButNotYetPaid	672000000	USD
CY2019Q3	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	298000000	USD
CY2018Q3	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	229000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	612000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	813000000	USD
CY2019Q3	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	65000000	USD
CY2018Q3	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	74000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Inventory Acquired1 NoncashOrPartNoncashAcquisitionInventoryAcquired1	189000000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	291000000	USD
CY2019Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	989000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3083000000	USD
CY2019Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	395000000	USD
CY2018Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	133000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	943000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	451000000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	26967000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	870000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-257000000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	140000000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	55000000	USD
CY2019Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4000000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	27771000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	24718000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2717000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-738000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	404000000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1000000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	124000000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	108000000	USD
	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	653000000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	27771000000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	23390000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	127000000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	48000000	USD
CY2018Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5000000	USD
CY2018Q3	tmus	Stock Issued During Period Shares Distribution From Ndqc Plan StockIssuedDuringPeriodSharesDistributionFromNDQCPlan	855	shares
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	24355000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	22559000000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	24355000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2248000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	361000000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3000000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	103000000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	89000000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1054000000	USD
	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	224000000	USD
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CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1676000000	USD
CY2019Q1	us-gaap	Other Assets Current OtherAssetsCurrent	1598000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23359000000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21020000000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9251000000	USD
CY2019Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2271000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	198000000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	186000000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1623000000	USD
CY2019Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1552000000	USD
CY2018Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	7741000000	USD
CY2019Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	7676000000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	787000000	USD
CY2019Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	815000000	USD
CY2018Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	12965000000	USD
CY2019Q1	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	10950000000	USD
CY2018Q4	us-gaap	Sale Leaseback Transaction Amount Due Under Financing Arrangement SaleLeasebackTransactionAmountDueUnderFinancingArrangement	2557000000	USD
CY2019Q1	us-gaap	Sale Leaseback Transaction Amount Due Under Financing Arrangement SaleLeasebackTransactionAmountDueUnderFinancingArrangement	2212000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	4472000000	USD
CY2019Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	4703000000	USD
CY2018Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	2781000000	USD
CY2019Q1	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	0	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	11364000000	USD
CY2019Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	2016000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	967000000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	903000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-12954000000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-12301000000	USD
CY2019Q2	us-gaap	Embedded Derivative Gain On Embedded Derivative EmbeddedDerivativeGainOnEmbeddedDerivative	11000000	USD
	tmus	Numberof Portfolio Segments NumberofPortfolioSegments	2	segment
	tmus	Numberof Customer Classes NumberofCustomerClasses	2	class
CY2019Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	4289000000	USD
CY2018Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	4534000000	USD
CY2019Q3	us-gaap	Receivable With Imputed Interest Discount ReceivableWithImputedInterestDiscount	294000000	USD
CY2018Q4	us-gaap	Receivable With Imputed Interest Discount ReceivableWithImputedInterestDiscount	330000000	USD
CY2019Q3	us-gaap	Receivable With Imputed Interest Net Amount ReceivableWithImputedInterestNetAmount	3995000000	USD
CY2018Q4	us-gaap	Receivable With Imputed Interest Net Amount ReceivableWithImputedInterestNetAmount	4204000000	USD
CY2019Q3	us-gaap	Notes Receivable Net NotesReceivableNet	3894000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	101000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	119000000	USD
CY2019Q3	us-gaap	Notes Receivable Net NotesReceivableNet	3894000000	USD
CY2018Q4	us-gaap	Notes Receivable Net NotesReceivableNet	4085000000	USD
CY2018Q4	us-gaap	Notes Receivable Net NotesReceivableNet	4085000000	USD
CY2018Q4	tmus	Unamortized Imputed Discountand Allowancefor Credit Losses UnamortizedImputedDiscountandAllowanceforCreditLosses	516000000	USD
CY2017Q4	tmus	Unamortized Imputed Discountand Allowancefor Credit Losses UnamortizedImputedDiscountandAllowanceforCreditLosses	482000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	218000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	209000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	242000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	241000000	USD
	tmus	Receivable With Imputed Interest Discount Increase Decrease ReceivableWithImputedInterestDiscountIncreaseDecrease	91000000	USD
	tmus	Receivable With Imputed Interest Discount Increase Decrease ReceivableWithImputedInterestDiscountIncreaseDecrease	155000000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	127000000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	146000000	USD
CY2019Q3	tmus	Unamortized Imputed Discountand Allowancefor Credit Losses UnamortizedImputedDiscountandAllowanceforCreditLosses	456000000	USD
CY2018Q3	tmus	Unamortized Imputed Discountand Allowancefor Credit Losses UnamortizedImputedDiscountandAllowanceforCreditLosses	459000000	USD
CY2019Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	4289000000	USD
CY2018Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	4534000000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1100000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-332000000	USD
CY2019Q2	us-gaap	Embedded Derivative Gain On Embedded Derivative EmbeddedDerivativeGainOnEmbeddedDerivative	11000000	USD
CY2019Q3	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	65000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	73000000	USD
CY2019Q3	us-gaap	Sale Leaseback Transaction Net Book Value SaleLeasebackTransactionNetBookValue	211000000	USD
CY2018Q4	us-gaap	Sale Leaseback Transaction Net Book Value SaleLeasebackTransactionNetBookValue	329000000	USD
CY2019Q3	us-gaap	Sale Leaseback Transaction Amount Due Under Financing Arrangement SaleLeasebackTransactionAmountDueUnderFinancingArrangement	2241000000	USD
CY2018Q4	us-gaap	Sale Leaseback Transaction Amount Due Under Financing Arrangement SaleLeasebackTransactionAmountDueUnderFinancingArrangement	2557000000	USD
CY2019Q3	us-gaap	Minimum Lease Payments Sale Leaseback Transactions Next Rolling Twelve Months MinimumLeasePaymentsSaleLeasebackTransactionsNextRollingTwelveMonths	158000000	USD
CY2019Q3	tmus	Minimum Lease Payments Sale Leaseback Transactions Duein Rolling Years Twoand Three MinimumLeasePaymentsSaleLeasebackTransactionsDueinRollingYearsTwoandThree	315000000	USD
CY2019Q3	tmus	Minimum Lease Payments Sale Leaseback Transactions Duein Rolling Years Fourand Five MinimumLeasePaymentsSaleLeasebackTransactionsDueinRollingYearsFourandFive	315000000	USD
CY2019Q3	us-gaap	Minimum Lease Payments Sale Leaseback Transactions Due In Rolling After Year Five MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingAfterYearFive	498000000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	51000000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	645000000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	55000000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	550000000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	4000000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-95000000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	44000000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	51000000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	39000000	USD
CY2018Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	23000000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	642000000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	582000000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	336000000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1200000000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1600000000	USD
CY2019Q3	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	831000000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	644000000	USD
CY2019Q3	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P24M
CY2019Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	162000000	USD
CY2018Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	79000000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	415000000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	171000000	USD
	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	870000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2717000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2248000000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	854578241	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	847087120	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	853391370	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	849960290	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	8112510	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6765644	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	9463284	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	8288278	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	862690751	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	853852764	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	862854654	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	858248568	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.65
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.15
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.62
CY2019Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	657000000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	1893000000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	146000000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	376000000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	21000000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	61000000	USD
CY2019Q3	tmus	Finance Lease Expense FinanceLeaseExpense	167000000	USD
	tmus	Finance Lease Expense FinanceLeaseExpense	437000000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	62000000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	185000000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	886000000	USD
	us-gaap	Lease Cost LeaseCost	2515000000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.049
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.043
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	2716000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	1073000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	2557000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	764000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	2311000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	467000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	1905000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	102000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	1602000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	75000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	4009000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	131000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15100000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2612000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2254000000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	159000000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	12846000000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	2453000000	USD
CY2019Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	20000000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	61000000	USD
CY2019Q3	tmus	Lessee Operating Lease Lease Notyet Commenced Payments Due LesseeOperatingLeaseLeaseNotyetCommencedPaymentsDue	315000000	USD
	tmus	Device Upgrade Period DeviceUpgradePeriod	P18M
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Gross PropertySubjectToOrAvailableForOperatingLeaseGross	1159000000	USD
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	622000000	USD
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	537000000	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Next Rolling Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextRollingTwelveMonths	350000000	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Rolling Year Two LessorOperatingLeasePaymentsToBeReceivedRollingYearTwo	73000000	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	423000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2700000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two And Three Years OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears	4700000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four And Five Years OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears	3300000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3800000000	USD
CY2018Q3	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	759000000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2300000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	419000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	59000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	478000000	USD
CY2018Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	3100000000	USD
CY2018Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	867000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Remainder Of Fiscal Year CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear	909000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	631000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	389000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	102000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	66000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	106000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	2203000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	143000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Executory Costs CapitalLeasesFutureMinimumPaymentsExecutoryCosts	45000000	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	4200000000	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Second And Third Year PurchaseObligationDueInSecondAndThirdYear	3200000000	USD
CY2019Q3	us-gaap	Purchase Obligation Due In Fourth And Fifth Year PurchaseObligationDueInFourthAndFifthYear	1800000000	USD
CY2019Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	1500000000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	152000000	USD
CY2019Q3	tmus	Unrecorded Unconditional Purchase Obligation Duewithin Year Twoand Three UnrecordedUnconditionalPurchaseObligationDuewithinYearTwoandThree	250000000	USD
CY2019Q3	tmus	Unrecorded Unconditional Purchase Obligation Duewithin Year Fourand Five UnrecordedUnconditionalPurchaseObligationDuewithinYearFourandFive	166000000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	204000000	USD
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Files In Submission

Name	View Source	Status
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0001283699-19-000119-index.html	Edgar Link	pending
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$TMUS
T-Mobile US, Inc. Stock $tmus

2019 Q3 Form 10-Q Financial Statement

#000128369919000119 Filed on October 28, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TMUS T-Mobile US, Inc. Stock $tmus

2019 Q3 Form 10-Q Financial Statement

#000128369919000119 Filed on October 28, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TMUS
T-Mobile US, Inc. Stock $tmus