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Contingencies (2003-2014 NPM Adjustment Disputes - Settlement with 26 States and Territories and Settlement with New York) (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2017 USD ($) plantiff | Nov. 30, 1998 USD ($) state | Jun. 30, 2017 USD ($) plantiff | Mar. 31, 2017 USD ($) state | Dec. 31, 2016 USD ($) | Mar. 31, 2016 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2016 USD ($) plantiff | Jun. 30, 2016 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  |  |  | $ 1,200,000,000 |  |  |
Other liabilities |  |  |  | $ 431,000,000 | $ 427,000,000 |  |  | $ 427,000,000 |
Health Care Cost Recovery Actions [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of states with settled litigation | state |  | 46 |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  | 1,100,000,000 |  |  |  |  |
State Settlement Agreements annual payments |  | $ 9,400,000,000 |  |  |  |  |  |  |
State Settlement Agreements attorney fees annual cap |  | $ 500,000,000 |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of states with settled litigation | plantiff |  |  |  |  |  |  |  | 24 |
Litigation settlement, amount |  |  |  | $ 702,000,000 |  |  |  |  |
Number of motions denied without appeal | state |  |  |  | 1 |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of states with fIled motion | state |  |  |  | 14 |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2015 NPM Adjustments [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Other liabilities |  |  |  |  |  |  |  |  | $ 43,000,000
PM USA [Member] | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | Settled Litigation [Member] | NEW YORK [Member] | Cost of Sales [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  |  |  |  |  | $ 126,000,000 |
PM USA [Member] | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | Pending Litigation [Member] | NEW YORK [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  |  | $ 32,000,000 | $ 58,000,000 |  | $ 126,000,000 |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss contingency, number of states | plantiff | 52 |  |  |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of states with settled litigation | plantiff |  |  | 26 |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] | Settled Litigation [Member] | RHODE ISLAND [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, additional amount |  |  | $ 9,000,000 |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] | Settled Litigation [Member] | OREGON [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, additional amount |  |  | 16,000,000 |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions, 2013-2015 Transition Years [Member] | Settled Litigation [Member] | OREGON [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, additional amount | $ 4,000,000 |  |  |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | Pending Litigation [Member] | RHODE ISLAND AND OREGON [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, amount |  |  | 25,000,000 |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | Pending Litigation [Member] | NEW YORK [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, reduction in payment | 44,000,000 |  |  |  |  |  |  |  |
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions, 2013-2014 Transition Years [Member] | Settled Litigation [Member] | RHODE ISLAND [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, additional amount | $ 2,000,000 |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | PM USA [Member] | Health Care Cost Recovery Actions, 2015 NPM Adjustments [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Other liabilities |  |  | $ 46,000,000 |  |  |  |  |  |

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