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Contingencies (NPM Adjustment Disputes) (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended | 252 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2022 USD ($) | Mar. 31, 2022 USD ($) state | Sep. 30, 2021 state | Mar. 31, 2023 USD ($) state | Dec. 31, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) state | Dec. 31, 2018 state | Dec. 31, 2015 USD ($) | Dec. 31, 2018 state
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  |  |  |  | $ 90 |  |  |  |  |
Health Care Cost Recovery Actions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  | $ 900 |  | $ 900 |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of states with settled litigation including New York, subsequent expansion | state |  | 37 |  |  |  |  |  |  |  |  |  | 36
Loss contingency, credits to offset payments |  |  |  | 1,150 |  |  |  |  |  |  |  |
Litigation settlement, amount expected to be awarded from other party |  |  |  | 410 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of additional states extended with settled litigation | state |  |  |  |  |  |  |  |  |  |  |  | 35
PM USA [Member] | Health Care Cost Recovery Actions [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of additional states extended with settled litigation | state |  |  |  |  |  |  |  |  |  | 1 |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2004 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | $ 388 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2004 NPM Adjustment [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of states with concluded hearings | state |  |  |  | 9 |  |  |  |  | 9 |  |  |
Loss contingency, number of states not settled | state |  |  |  |  |  |  |  |  | 10 |  |  |
Loss contingency, number of states not in compliance with escrow statues | state |  |  | 3 |  |  |  |  |  |  |  |  |
Loss contingency, number of states in compliance with escrow statues | state |  |  |  | 7 |  |  |  |  |  |  |  |
Loss contingency, damages sought, value |  |  |  |  | $ 5 |  |  | $ 23 |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2004 NPM Adjustment [Member] | Pending Litigation [Member] | Cost of Sales [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, reduction to cost of sales |  |  |  |  | $ 3 |  |  | $ 21 |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2005 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | $ 181 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2006 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 154 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2007 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 185 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2008 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 250 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2009 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 211 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2010 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 218 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2011 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 166 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2012 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 214 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2013 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 224 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2014 NPM Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 258 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2015 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 313 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2016 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 292 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2017 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 285 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2018 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 318 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2019 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 415 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2020 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | 572 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2021 NPM Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | $ 675 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2005-2007 NPM Adjustment [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of states not settled | state |  |  |  | 9 |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2005-2007 NPM Adjustment [Member] | Pending Litigation [Member] | Period One |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of states not settled | state |  |  |  | 8 |  |  |  |  |  |  |  |
Loss contingency, number of states not settled, arbitration period |  |  |  | 3 years |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2005-2007 NPM Adjustment [Member] | Pending Litigation [Member] | Period Two |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, number of states not settled | state |  |  |  | 1 |  |  |  |  |  |  |  |
Loss contingency, number of states not settled, arbitration period |  |  |  | 1 year |  |  |  |  |  |  |  |
PM USA [Member] | Health Care Cost Recovery Actions, 2022 NPM Adjustments |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible gain |  |  |  | $ 571 |  |  |  |  |  |  |  |
New York [Member] | PM USA [Member] | Health Care Cost Recovery Actions, Transition Years 2004-2018 [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  | $ 435 |
MONTANA [Member] | PM USA [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  |  |  |  |  |  | $ 4 |  |  |
Illinois [Member] | PM USA [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  |  |  | $ 80 |  |  |  |  |  |
Illinois [Member] | PM USA [Member] | Health Care Cost Recovery Actions, Transition Years 2004-2021 [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  | $ 80 |  |  |  |  |  |  |  |  |  |
Illinois [Member] | PM USA [Member] | Health Care Cost Recovery Actions, Transition Years 2019-2021 [Member] | Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  | $ 20 |  |  |  |  |  |  |  |  |  |
Iowa [Member] | PM USA [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought, value | $ 133 |  |  |  |  |  |  |  |  |  |  |
New Mexico [Member] | PM USA [Member] | Pending Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought, value | $ 84 |  |  |  |  |  |  |  |  |  |  |

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